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 MISC - FS: MFJ 4416B Super Battery Boosters 
- Nice workng battery booster. $160 shipped. Zelle, MO, or check.
MFJ 4416B Super Battery Boosters keep your transceiver operating at full efficiency and performance by eliminating low or marginal voltages in the mobile environment.
They accomplish this by boosting input voltages as low as 9 V up to the desired 13.8 V at 25 amps peak with a typical efficiency of close to 90 percent. Even at their compact, lightweight 1.3 lbs., they are designed to be rugged, reliable, and easy to use.
The MFJ 4416B super battery boosters include Anderson PowerPole connectors and high-current, 5-way binding posts for both the DC input and regulated output. An internal 30 amp input fuse protects them from excess output current demands. There are also selectable limits on the minimum voltage that can be accepted, protecting you from over-discharging a battery and possibly damaging it. Should regulation be lost, they also include output over-voltage crowbar protection.
- Listing #1744683 - Submitted on 09/30/25 by Callsign K2ZZ, Modified on 10/23/25 - IP: 104.28.204.175
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- ANTETUNE - FS: Ten Tec 253 Antenna Coupler
- I have a Ten Tec Model 253 automatic antenna coupler for sale. It is in beautiful condition (see pictures) and works well.
Ten-Tec 253 automatic antenna coupler covers 1.8 to 30 MHz and handles up to 2000 watts. Typically tunes in under 5 seconds. Can be used with Omni V and Hercules II. Input on the rear panel is for coax, single wire or balanced wire. Case is in nice shape. Requires 12 VDC at 2 amps. With original Owner's Manual. 14 x 5.5 x 10.5 inches 10 lbs.
Price $550
- Listing #1739916 - Submitted on 08/16/25 by Callsign K2ZZ, Modified on 10/23/25 - IP: pool-71-172-55-72.nwrknj.fios.verizon.net
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- AMPVHF - TE systems 0550G 375- watts 6m amp
- I have for sale this excellent working TE systems 0550g low drive 6m amplifier. 5-watts in will get over 300-watts out. This is a later model with the RJ45 connector in the back. Price $495. Payment via zelle or money order. Thanks. Ken
- Listing #1747145 - Submitted on 10/23/25 by Callsign K2ZZ, Modified on 10/23/25 - IP: pool-71-172-55-72.nwrknj.fios.verizon.net
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 ROTATORS - Green Heron RT-21 v4 Controller
- Green Heron RT-21 v4 Controller. Can be upgraded for wireless operation if desired. Loaded with latest firmware. Bright green LED display. Nonsmoking home. Everything works as it should. Great cosmetic condition! Fully tested.
$499 (these go for well over $700 new!)
- Listing #1747208 - Submitted on 10/23/25 by Callsign K1FIE - IP: host-87-11-80-35.retail.telecomitalia.it
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- RADIOVHF - For Sale: Yaesu FTM-500D
- Up for sale is my almost new Yaesu FTM-500D dual band digital and analog transceiver, FM and C4FM (Fusion). Purchased at Dayton this past spring. rig has never been used mobile and has only limited use. Always in smoke free/ pet free environment No scratches on the radio, plastic is still on the front display. Looks just as it did when it was brand new/ fresh out of the box. Works perfectly as it should. Asking $475 plus actual out-of-pocket shipping expenses. Paypal, Cashier's check, even personal check all ok. No Vennmo, or Zelle.
- Listing #1747206 - Submitted on 10/23/25 by Callsign W8QW - IP: dyn-149.19.222.129.hrvl.mi.homeworksinternet.net
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- TEST - RARE: Anritsu Sitemaster S331B Analyzer
The S331B professional Antenna and Cable Analyzer with frequency coverage from HF up to 3300 MHz, is ideally suited for users who work in VHF, broadcasting, paging, cellular, PCS/GSM etc. The newly improved user interface, large VGA display, real time clock, alphanumeric trace naming, field replaceable battery and up to 517 data points and 200 trace storage make these two Site Master models ideally suited for any experience level user in commissioning and maintenance of today's wireless systems infrastructures. The S331B performs precision return loss/SWR, cable loss and distance-to-fault measurements in the presence of RF interference. An optional power monitoring is available to make power measurement quickly and easily.
-Accurate Test of Antenna Systems and Active/Passive Components
-Built-in Distance-To-Fault
Immunity to Live Site RF Int
https://www.testequipmenthq.com/datasheets/ANRITSU-S331B-Datasheet.pdf
Comes with case, adapter, and brand new battery.
Just $499. Will ship WW
- Listing #1747205 - Submitted on 10/23/25 by Callsign K1FIE - IP: host-87-11-80-35.retail.telecomitalia.it
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- AMPHF - Emtron DX2SP HF Amplifier
- Great condition!
Very reasonably priced tubes if you need one (FU-728F) Can also use a 4CX1500
I owned this amp for a time after I bought from an estate and it worked well. later sold it to a friend who had it for several years.
Friend recently passed and I bought it from the estate and it still works great. No issues in the time we have owned it.
Legal Limit+++
I have a good extra tube available too
$2,500 shipped/insured US
- Listing #1747199 - Submitted on 10/23/25 by Callsign KL7AM, Web Site: https://kl7am.com - IP: 92-99-35-72.mtaonline.net
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- POWERSUP - Astron Power Supply
- Rated 25A or 30A Peak
Great quality compact Astron power supply
$125 shipped US
- Listing #1747198 - Submitted on 10/23/25 by Callsign KL7AM, Web Site: https://kl7am.com - IP: 92-99-35-72.mtaonline.net
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- TEST - Wattmeter/Dummy Load
- MFJ Dummy Load Wattmeter
Great Condition
$150 Shipped US
- Listing #1747197 - Submitted on 10/23/25 by Callsign KL7AM, Web Site: https://kl7am.com - IP: 92-99-35-72.mtaonline.net
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- RADIOHF - Icom RC-28
- Comes with cable, Icom box and instruction sheet. $175 shipped CONUS only.
- Listing #1746484 - Submitted on 10/16/25 by Callsign N1JM, Modified on 10/23/25 - IP: ip98-167-249-22.ph.ph.cox.net
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