an output low-pass filter to comply with FCC regulations for harmonic and spurious suppression. Get Shipping Quotes. 1 KW 222 MHz LDMOS Amplifier. com always has the largest selection of New Or Used Commercial Trucks for sale anywhere. It has the essential features; a quiet, temperature-controlled cooling fan, sequencer, ALC output to the driving radio, output power meter, and high VSWR fold • W6PQL –1kw on 160m thru 6m –1. Item number 410834. For sale in Singapore is the top of the line Truck Mounted Scorpion TL-3 Traffic Attenuator by TrafFix Devices Inc. High power amplifier for 1296. $26. Apr 12, 2023 · Browse a wide selection of new and used AIRBUS A330 Aircraft for sale near you at Controller. 4 watts of drive at the LDMOS device gives 950 watts output. U-MAD is available with speed capacities from 45-62 mph (70-100 km/h) to supply a wide range of protection for workers, motorists, and equipment. $450. After making various adjustments to the original LPF filter configuration and noting some of the changes which could be made to the board to make it easier to construct, tune, and re-configure (if necessary), I decided to modify the board layout itself. Used – Excellent. Bad Cat Black Cat 1x12" Extension Cabinet. $29. 99. The amplifier was to be used with a 10w radio, and without the input attenuator, would only require 250mw for full output. Uses a single 50v LDMOS transistor made by Freescale Semiconductor, the MRFE6VP61K25H. The Scorpion TL-3 Towable Attenuator attaches to a truck and requires little to no modification of the host vehicle. $149. The material is microwave substrate with 2oz copper both sides, necessary to handle the higher RF currents this amplifier produces. 10% savings. It was published in Dubus magazine, and looked like a worthwhile project. mrfx1k80. The dual directional detector provides the signals for the SWR lockout, and also drives the LED forward and reverse power meter bar graph displays. Usually, only one or two of the input trimming pads were needed with IDQ set between 1. The values chosen for the attenuators assume the diodes will be looking into a 3 to 5k ohm load, a value determined experimentally to produce good linearity. Serial: –. The main difference is that the recommended heatsink he suggests is a bit expensive when you factor in shipping charges to the UK plus VAT & Customs etc. The two radios it was designed for are the Yaesu FT-817 and Flex 6500. 55915, W 121. Log a NEW contact with : World's leading amateur radio web site with news, technical articles, discussions, practice exams and more. The children are all grown up now, on their own, and doing O. This amplifier combines a pair of 500w RF decks, using input and output couplers; the device used is the 600w Freescale MRFE6VP5600H. Preowned Harley Benton PA-100 Power Attenuator in perfect working order. Mooer Micro Preamp 012 US Gold 100. 2 Meter 80W All Mode Amplifier. Filter. 8v preamplifier supply on receive. 8 to 54 MHz Dual Directional Detector. com (henryradio). If you want to get 1000W Pout, you need very low input power, about 3-5W Pin. The next set of three photos (below) shows the test results on an IC-7000. Performance on 6 meters is similar with 1. This device is rated to a 100km per hour impact, complete with all the support steel to 30-Day Return Policy. Go to Jims web page and read all about it. The UMAD Attenuator. Condition: Used. Scorpion® design does more The curved cartridge tubes guide vehicles away from impacting the deadly rear corners of the host vehicle giving the impacting vehicle occupants greater safety. $30 savings. I also purchased as complete assemblies, the input and output Attenuator Trucks are designed to keep employees and motorists safe and secure, reducing damage in the event of an on-road or on-site collision. It is tested to MASH 2016 Test Level 3. 5 kw 2 meter amplifier. 99260, CM97an - former call: WB6MYC. Both amps each include a W6PQL Ultra Control Board and FET dc power switch. Note 1: Attenuators will not include optional radii on edges or mounting holes. Neptune, NJ. $495. 1 KW 2M LDMOS Amplifier. The Scorpion TA has been NCHRP-350 tested and accepted for all mandatory and optional offset and angled impacts on unrestrained host vehicles. Available since June 2017. This little board is the input attenuator, consisting of a 12 db directional coupler, and an additional 3 db chip resistor pad. (2) BUSINESS CLASS M2. Compare prices, models, trims, options and specifications between different attenuators on Commercial Truck Trader. Additional site This little board is the input attenuator, consisting of a 12 db directional coupler, and an additional 3 db chip resistor pad. Feb 10, 2021 · Step 5 - Initial testing with an ohm meter showed a short on the VDD line, W6PQL sent a new pallet immediately, and once installed everything worked as expected i. Add to Cart. visit our website. Opens in a new window or tab. The transceiver switch (s1) selects the radio, and switches RF, key line, and ALC feedback. $7,450. • Can be used with most support vehicles weighing 10,000 lbs. The system will be designed based on your site depending on the wind and wave exposure. About This Listing. Internal fans, swr protection, alc circuit and LNA switching. On Sale. (5,526 kg) and an unlimited maximum weight (Infinite Weight). close. Browse a wide selection of new and used MACK Attenuator Trucks for sale near you at TruckPaper. Note 2: Glue is used between the parts to prevent sliding of the 3 slices. Load resistance for the detectors should be 5k for best linearity. N 37. The Kenwood TS-790A that Im using on 2m generates up to 30W needs to get cut back by about 10 dB for the right drive. Speaker output. Scorpion ® Towable Attenuator. 291,653 Truck Listings For Sale. I needed to add an additional Fan just for the Pad. A couple of years ago, F5FLN described a 6 meter KW amplifier he built modeled after the Freescale MRFE6VP61K25H reference design for an 88-108MHz FM amplifier. The NXP BLF184xr is another LDMOS device that can be used with this board. Biography. Line output with volume control. Input attenuator The 3 dB input attenuator can dissipate 50 W. J-Tech Inc. LDMOS transistor, if ordering the basic kit. Input VSWR is optimized with attenuator on PA input. Input/output impedance of the attenuator is 50 ohm. These next 2 photos show the component selections for the low pass filters at 70cm I will replace the output pc board and use new caps vs trying to reuse the existing capacitors. See listing on my For Sale page. Decreasing this to 650 ohms will range the coupler and detectors for 2kw. 2024 MACK MD7. Top models include MD7, R688ST, and U609T stock # 07244 2017 international 4300, auto, non cdl, cummins, new attenuator/tma/crash truck for sale cummins isb @ 250hp (220,824 miles), eaton procision auto trans, 10k + 19k lb axles, 25,99 See More Details . com, the leading aircraft marketplace. Financial Calculator. Basic kit (pc board included) with all parts except LDMOS and copper spreader, $195. The VORTEQ® M is a trailer-mounted attenuator for use on stationary or moving shadow support vehicles with a minimum weight of 12,153 lbs. 1 He described a Class AB amplifier that used a Freescale MRFE6VP61K25HR6 power FET with characteristics I was looking for – and with gain to spare. This attenuator is made using non-inductive (at 2m) TO-220 style resistors, and is jumpered in via rear panel bulkhead connectors. Additional details can be seen in the write up of the 70cm KW amplifier. 3 3-Year Thomann Warranty. On-Site Auction. Rating: 2016-12-24. Two Notes Torpedo Reload Factory Repack / B-Stock - Continuous Attenuator And Re-Amping System For Your Studio (Grade A) Used – B-Stock. Used – Mint. After re-build and testing the 1200w pallet will be offered for sale along with FET switch ($20) and input 10-dB attenuator board ($35). Rated for guitar amps up to 150 watts, this attenuator features five levels of power reduction, a 3-position voicing switch (normal, bright, or warm), and a speaker/load switch for options galore. NXP MRF1K50N LDMOS, $189. The trucks also provide highly visible J-Tech Highway Safety is a national leader in manufacturing, sales, rental and service of highway safety trucks and equipment— tools critical to enhance work zone traffic control, pattern setting efficiency, workforce protection and safety—and an authorized dealer for TrafFix Devices Scorpion® Attenuators, offering complete maintenance, parts, inspection and critical repair services. 150 watt power rating:The PRX150 line of attenuators can truly handle the power of your "monster" 100 watt (quad power tube) amplifier that is actually putting out much more than 100 watts when cranked up. We have Scorpion Attenuators for sale. com hosts for-sale listings for new and used GMC light-, medium-, and heavy-duty vehicles ready to work in configurations ranging from 1/2-, 3/4-, and 1-ton 2WD and 4WD pickups to the popular heavy-duty GMC 7500, available in dump, forestry bucket, grapple, and other versions. 1966 MACK U609T ATTENUATOR TRUCK: Non-Runner VIN U609T1952, Manual Transmission, Single Axle, Spring Suspension, Energy Absorption Attenuator, Arrow Board. The attenuator resistors supplied in the kit are for the standard 1kw forward, 100w reverse full-scale power levels. This can be selected by the operator to be either an output voltage on the rear panel or a bias tee feed to a masthead preamp as required. Designed for home station use, it's compact internal switching power supply runs on standard AC power, selectable for 120v or 230v, 50-60 Hz. 99 savings. Still, it only takes about 4w to drive this one to 1kw out on 222 MHz. CANNOT VERIFY FUNCTIONS - INOPERABLE See More Details. Engine Model: B6. RF-sensing t/r switch for remote operation, as well as a hard-key option. K. e. McCordsville, IN, United States. Featured Price (High to Low) Price (Low to High) Year Made (High to Low) Jim Klitzing, W6PQL . A high-VSWR sensor will lock out and bypass the amplifier if it senses a load VSWR greater that 2/1 (internally adjustable). By Frank in Linear Amplifier on 20th March 2021 . $159. This trailer truck mounted attenuator’s patented, energy-absorbing technology offers flexible performance at a competitive price and meets all required MASH TL-3 testing standards. It is the later, dual meter model and comes with a Meanwell power supply wired for 115 or 220 VAC. Apply for Financing. The Scorpion II TMA from TrafFix Devices is the world's first MASH Tested, Passed, and Eligible Truck Mounted Attenuator. Please call us at (281) 821-3307 for a quote! 600w 23cm RF deck kit assembly instructions. Find Attenuator Trucks from INTERNATIONAL, FREIGHTLINER, and MACK, and more It uses a small commercially-made coupler on the input, and for the high-power side, the output coupler is printed right onto the board. Hello to the group. Detail. 00 w6pql. Browse our extensive inventory of new and used International 4300 attenuator from local International dealers and private sellers. Time Owned: more than 12 months. Feb 20, 2024 · Browse a wide selection of new and used FREIGHTLINER BUSINESS CLASS M2 Attenuator Trucks for sale near New Vertically stowed truck mounted attenuator allowing use Browse a wide selection of new and used FORD F750 Attenuator Trucks for sale near you at Ford F750 Crash Attenuator REGULAR CAB Call for Price Stock #s Available Oct 9, 2020 · VIN: 5PVNJ7AR4S5T50410. Browse a wide selection of new and used FORD F750 Attenuator Trucks for sale near you at Ford F750 Crash Attenuator REGULAR CAB Call for Price Stock #s Available The trailer system has a simple attachment with supporting crank jacks, allowing the trailer to be easily attached, detached, and moved. After considerable experimenting with prototypes, the final results were terrific; with about 40w drive, it can produce 600w (saturated), and covers the entire band (1240 to 1300 MHz). If you are looking for a work horse 2-meter amplifier that can run ALL modes with 1500 watts. Input attenuator. board spacer set, if ordering the basic kit. Log a NEW contact with : 11078019 Last modified: 2021-01-17 03:47:01, 830 bytes. click a picture to enlarge. Scorpion TL-3 Truck Mounted Attenuator (TMA) (2015) SGD 20,000. Hours: –. Their uses vary, from a simple gain block used to amplify low-level signals to more useful levels (pre-drivers), to Low Noise Amplifiers (LNA) used in receiving systems for satellite TV, EME, or weak-signal terrestrial work. Buy Now. These next 2 photos show the component selections for the low pass filters at 70cm I couldn't be happier with the results, both in appearance and performance. Microsoft Word - generation 2 - v2. Low-loss antenna relay. Mar 20, 2021 · 1kW Linear Amplifier Part 3: Build Up and Testing. docx. View My Watch List. Saturation seems to be appearing so max output is probably The 144MHz Gemini 2-500 incorporates the same, sequenced, front panel switchable 13. Brand new 2024 Ford F-650 with brand new Scorpion II attenuator, brand new Arrow Board, Light Package, Camera Package, and a Sign Storage Rack. View Details. Note 3 Mar 14, 2024 · Browse a wide selection of new and used INTERNATIONAL Attenuator Trucks for sale near you at TruckPaper. Kentucky (2) Montana (1) New and Used FREIGHTLINER Attenuator Trucks : View our entire inventory of New Or Used Freightliner Trucks. Two Notes Torpedo Captor Loadbox/Attenuator/DI - 8 Ohm 2010s - Black. Free Shipping. 500w 70cm Amplifier. This switch box was built to allow the use of 2 different radios to be used with 3 different transverters. More photos available. Our galvanized steel wave attenuator is fabricated using a steel truss substructure. Some inventory is not yet on the website. Even if you are an accomplished builder of other things, the assembled/tested RF deck may be your best The second amp is a kit which can be purchase as-is or I can assemble it (30-day delivery). The attenuator is mounted on the side panel and enclosed by an alu-box. ldmos blf188xr. 99Typical new price. Sort by: 2016 FORD F-350 XLT 4x4 Crew Cab Attenuator Truck . 6 and 1. With as little as 2 watts in you can have over 1000 watts out. The unit is comprised of a lightweight tube frame rail and a wheel/axle assembly. U1 can amplify the input TX level by 20 db at 28 MHz, and 1 db gain compression is 30 milliwatts; it can produce up to 10 Fresno, California 93727. flow-solder service for LDMOS, if needed. Designed to absorb collision energy during rear-end impacts, the trailer-mounted attenuator saves lives, reduces expensive equipment damage, and prevents impacting vehicles from under riding the truck. or more. This decreases the risk of injury to both the driver and to any construction workers on the site. 2 watts drive producing over 1000 watts out. A new assembled 1200w pallet costs $725 from W6PQL. 00. Here is the all new custom 2 Meter Kilowatt Linear Amplifier built and designed by Jim/W6PQL. The input connector is N-female and the output connector is SMA-female. Automatic Transverter Interface. 32 Mar 21, 2011 · Impact Attenuator FSAE-IA-12 as per Rule B3. Click any thumbnail for an enlarged picture. • Single-point, eight-ton minimum pintle hitch mount. 8-54 MHz. Figure 3 — Amplifier with front panel tilted down. To test the controller, I used the humble setup on the right; radio output is connected to a high-power attenuator/crystal detector into channel 1 of the scope; the time base is triggered by the PTT from the radio. Ford F650 Attenuator Truck. Truck Location: 1624 Curryville Road Martinsburg, Pennsylvania 16662. The Gemini 2-500 is a complete turnkey solution incorporating a 50V linear power supply Brand New THD 8 Ohm Hot Plate Reactive Attenuator and Load Box, All Black, Direct From THD! Brand New. 3 Inputs with different impedances (4, 8 and 16 ohms), thus usable with almost all amps. 8 amps. Originally C$121. March 11, 2015 Update With 30w driver amp installed, I have tested up to 130w output. It has a bit less gain, but is a little more efficient. 200. Here is the original video showing how to flow-solder your LDMOS to the spreader. $499. View All Our Truck Mounted Attenuator (TMA) Truck is designed with safety as the topmost consideration. Or if you don't see what you are looking for call or text Lenny @ 770-331-2550. 10. 5kw+ version –850-1000w/1500w on 6m –Broadband transformer design • Other suppliers (many) • Very complex switching and filtering, as you can imagine –Harmonic content is as high as -11dbcon some bands • Thus, a complex output filter is required – LPF or Combination LPF and diplexer In the 1/2012 issue of Dubus magazine, F5FLN showcased his KW amplifier for the 70cm band. Manitoba, MB, CAN. 6 days ago · Browse a wide selection of new and used Attenuator Trucks for sale near you at MachineryTrader. 21. This will give you the full roar of your tubes at low volumes. First licensed in 1964; assigned W6PQL in 2003, which was the call first issued to my late father in 1938. (1) BUSINESS CLASS M2 106. com. Browse our extensive inventory of new and used 2024 attenuator from local dealers and private sellers. RFHAM is currently offering board kits for these 500w amplifier units, which contain the more difficult-to-get parts 2016 INTERNATIONAL 4300, STOCK # 07262 2016 INTERNATIONAL 4300, CUMMINS, AUTO, NEW TMA/ATTENUATOR CRASH TRUCK FOR SALE CUMMINS ISB @ 260HP (227,586. We offer multiple chassis options and arrow board options, either hydraulic or electric-powered, to The Scorpion® attenuator lowers the G-force of the impacting vehicle thereby greatly reducing the risk of injury to the occupants of the errant vehicle. Mesa Boogie Powerhouse Reactive Amp Load Attenuator 8 ohm. The general mechanical layout of the amplifier follows the W6PQL layout fairly closely. The heat sink and a copper heat spreader (not supplied) have to be larger than 200X140 mm and proper fan cooling must be provided too. Jun 6, 2024 · View Sold Ads Summary View. Gross Vehicle Weight Rating: Class 6: 19,501 - 26,000 pounds. This amp has two blf188xr modules so it will loaf at legal limit. Sort by: Type Traffic 2003 Freightliner FL70 4x2 Attenuator Truck (Inoperable) Dist. The TMA's are designed to absorb collision energy during rear-end Different inductor values are also used. Coast Cities Truck Sales. 1 KW SSPA for 1. Efficiency is over 70%; 50v at 28a, or 1400w DC input. We have had years of experience designing No other attenuator offers the PRX150's Amplifier to Speaker Cabinet Impedance Matching Feature (patent pending). 5 watts supplied to the transistor through the attenuator), output is slightly over 1000 watts at 144. The rear panel has all the usual connections; input/output, power supply, attenuator configuration jumpers, ALC and PTT. THD Hot Plate Power Attenuator - 16 Ohm 2010s - Blue. This amp will do the job and then some. Attenuator Trucks. assembled. Prefer pick up and Whether it is an MMIC, E-PHEMET or GaasFET, they are all similar in form, usually in a small surface-mount package. $599. The first thing we need to do is set the transmitter output to a useful level. It has a built-in sequencer and low-loss Dow-Key antenna transfer switch. Material: Dow Impaxx® 700 foam. $200. I purchased most [1] of the boards in kit form, rather than pre-Figure 2 — Amplifier rear panel. Used Attenuator Truck for sale. Description. In addition to these is a band select interface connector, which allows the driving radio to control the band switch function in the amplifier. Caution: This RF deck looks easy to construct, and it can be, but if you do not have extensive experience working with surface mount parts on high power SSPA's at 23cm, your results can vary widely. Rated for SSB/CW/WSJT modes. 47, now C$109. comTop models include WORKSTAR 7400, DURASTAR 4300, DURASTAR 4200, and WORKSTAR 7300 Oct 9, 2020 · POWERHOUSE. Compare prices, models, trims, options and specifications between different International attenuators on Commercial Truck Trader. Logbook. of Columbia (173 mi away) Feb 20, 2024 · Browse a wide selection of new and used FREIGHTLINER Attenuator Trucks for sale near you at TruckPaper. Phone: (559) 702-7087. Rare attenuator, hand-built in the US. Input: Maximum 100W. Chester Springs, Pennsylvania 19425. Price $2,250. Oct 11, 2022 · TruckPaper. At the left of the copper spreader is the 50w 10db attenuator, used for higher power drivers. Emulated XLR microphone output. The TTMA-200 is a trailer truck mounted attenuator (TTMA) • Meets all required MASH TL-3 testing criteria. (negotiable) Year: 2015. $39,995. Used Amp Attenuators. 8 to 54 MHz combiner set. Two Notes Torpedo Captor X 8ohm Stereo Reactive Load Box / Attenuator 2020 - White. Jun 17, 2024 · Browse a wide selection of new and used Attenuator Trucks for sale near you at TruckPaper. ALC from the controller board is connected to the radio. Attenuator trucks are equipped with kinetic absorption devices, or TMAs, impact attenuators, crash cushions, or crash attenuators, that reduce the force of vehicle collisions. Jun 26, 2024 · Ham Member Lookups: 17349. Fifty Watts input for 900 Watts out, a bit more for 1 KW. 4 x 6. Hobbies other than amateur radio include wine making, precision shooting, golf and tennis. The truck mounted attenuator’s single point pintle hitch mount can be used with most However, if you have one of the QRP 5w or 10w radios, this attenuator can be bypassed via rear-panel jumpers. Two Notes Torpedo Captor Loadbox / Attenuator / DI - 16 Ohm 2010s - Black. All Used Amp Attenuators. CommercialTruckTrader. 18' Ballasted Flatbed 36" Safety Pods on Both Sides of Body with Flip Up Covers & Safety Bars WANCO 25-Lamp Arrowboard Kit - Solar Panel Carl's Custom Guitars Volume Box Guitar Amp Effect Loop Smooth Audio Taper Master Volume Attenuator. Mounting holes shown are for reference only – attachment is up to the team to determine. Once complete, the attenuators and arrow boards are mounted to complete the Crash Truck A configurable input attenuator capable of matching any driver ranging from 50 milliwatts to 10 watts. MESA/BOOGIE. Mar 28, 2023 · Phone: (224) 343-9250. 5 x 3/8" copper heat spreader, fully machined $125. I'm using a 6db attenuator pad on the input so it's actually 15 watts of drive from the rig. U-MAD ® Truck Mounted Attenuators (TMA's) offer outstanding performance, excellent life cycle costs, and quick, simple refurbishment. Email: Login required to view. 30 30-Day Money-Back Guarantee. Email Seller. The bias circuit is regulated and temperature compensated. W6PQL. A 1. The two parameters affecting the input match were IDQ and trimming pads. Supports 8 and 16 Ohm amps. Top Freightliner Models. 7. If you have the board attenuators set up for 1kw, you can achieve a 2kw range by just changing the load resistance to 650 ohms. 1. • Patented, energy-absorbing technology simplifies design and reduces costs. 14' Ballasted Flatbed 36" Safety Pods on Both Sides of Body with Flip Up Covers & Safety Bars WANCO 25-Lamp Arrowboard Kit - Solar Panel Mounted on Bulkhead Assembly guide for the HF dual directional detector. Many units available! #2266. comTop models include BUSINESS CLASS M2 106 3 days ago · Login is required for additional detail. (USA). Since new, it has been used only a few times to verify its operation. 2KW W6PQL HF Amplifier. We collaborate with customers to build, design, and customize Attenuator Trucks, also known as Crash Trucks, that cater to their specific requirements. Using our superior connection, anchoring and hinge systems, our wave attenuator is designed to withstand severe wave action. For sale is my TubeJuice 100 Watt Attenuator. Hermosa Beach, CA, United States. The results were just as amazing, with the device performing very much as it did on 2 meters; the only real difference was slightly lower gain, about 23 to 24 db instead of 27 db for the 2m version. Ham Member Lookups: 39567. Carl's Custom Volume Box Smooth Taper Effect Loop Attenuator for Fender Hot Rod/Blues Deluxe/Deville. This specific model is designed to be a Traffic Contr Different inductor values are also used. Email Seller Video Chat. Band decoder protection amplifier input attenuator LDMOS MOSFET. Manitoba . REACH OUT TO A HIGHWAY SAFETY EXPERT TODAY HERE OR BY CALLING 610-458-4334! J-Tech Highway Safety is the nation's trusted dealer for sales and rental of Truck Mounted Attenuators, Attenuator Trucks, TMA Trucks, Crash Trucks, Queue Warning Trucks and an authorized TrafFix Scorpion MASH Attenuator dealer. I bought the attenuator at ebay. Ledwell manufactures Attenuator Trucks featuring Flatbed or Stake Bed bodies to the customer’s specifications. I am downsizing and offering my W6PQL KW 144 MHz amplifier for sale. Transverter Selector. With my TS2K (and now my IC-9700) set to 50 watts out (1. The TTMA-200 is made from galvanized steel and built for versatility. $629. I chose to build the modules along with items that did not require alignment: LPF, directional couplers, etc. 25 Jul 2024. 14-Day Return Policy. 1 KW 6 Meter LDMOS Amplifier. The VORTEQ® M is designed to help absorb rear-end impacts at speeds up Mar 20, 2018 · While making the IDQ setting at 50V VDD, the input match is observed with a scalar analyzer and optimized at 1296 MHz (where most of us will be using this). Compare. 3 Traffic Attenuators Trucks for sale in Australia Save my search Sort by: Featured. 8-54 MHz Kilowatt RF Deck, kit or assembled/tested (if building from the basic kit, the items in the indented sub-list will also be needed) Machined copper spreader, if ordering the basic kit. Even with this attenuator in place, only 6w drive is really needed. From W6PQL: Input attenuator kit (13 dB pad) to allow 50watts in for full output (instead of 3 watts for full power which is way too risky) The downside of the 13 dB Pad is a lot of heat dumped into the heatsink when running digitial or AM modes. The Scorpion II Truck Mounted Attenuator is hydraulically powered and is ideal for stationary and mobile construction zones. The coax lines will be reused. Find Attenuator Trucks from INTERNATIONAL, FREIGHTLINER, and ISUZU, and more A configurable input attenuator capable of matching any driver ranging from 50 milliwatts to 10 watts. In this order, you need to be very carefully on first power on. Phone: (484) 404-9341. Originally $525, now $495 ($30 savings) $525. $123. Call for price. 5 KW LPF for 160-6m. Most transverters require a minimum of 1 milliwatt for full output, and some radios don't quite have this much from their transverter ports. Has internal fan, bypass switch, headphone out, and treble boost ("juice boost") switch to compensate for treble loss typical at high attenuation. -----FromW6PQL: Relay boards (for TX/RX switching). This is the heavy-duty model. I ordered the SSPA, LPF, control board, and two of the dual direction detectors (SWR boards) as kits. Brand New. Classified: W6PQL Heavy Duty 1. 11. fl vn bf gp dr ek si is ex kr