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SPE Expert Fully Automatic Amplifiers In Stock at MTC Main Trading Company
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Displaying ads 1 to 10 of 3391 ads matching your search
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 RADIOHF - YAESU MIC CABLE  
3 pin xlr to 8 pin modular connector
clean good condition 25.00 shipped
check usps m/o


Listing #1763895 - Submitted on 04/02/26 by Callsign N4ERL - IP: syn-035-150-252-140.res.spectrum.com
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 RADIOHF - ICOM IC 756 PRO III  
Up for grabs, is an Icom IC 756 PRO III with matching power supply unit, external speaker and SM 20 desk mic. MARS modded.
Radio and all components are in very nice shape, but the speaker has cosmetic damage. Does not affect function, speaker works great.
These matched components don't come up often, especially in nice condition.
Looking for $1400 plus shipping to your QTH.
No trades, unless it's a nice Yaesu FT 1000 Mark 5 with power supply, speaker and all filters.
Lowball offers will be ignored.
LOCAL PICKUP PREFERRED, since all of this would cost a small fortune to ship.
I don't need to sell, just putting feelers out.
Please call or e mail for questions.
Thanks for looking!


Listing #1763894 - Submitted on 04/02/26 by Callsign KD9MAR - IP: 89.238.155.14
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 RADIOHF - YAESU MIC CABLE  
4 pin xlr to 8 pin modular connector good condition
25.00 shipped check usps m/o


Listing #1763893 - Submitted on 04/02/26 by Callsign N4ERL - IP: syn-035-150-252-140.res.spectrum.com
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 RADIOHF - TS-440, Factory microphone  
Good condition, Kenwood TS-440, power cord, factory microphone - $400
with matching SP-430 Speaker - $450
plus shipping.


Listing #1763892 - Submitted on 04/02/26 by Callsign KG9H - IP: c-76-136-255-145.hsd1.il.comcast.net
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 AMPHF - FS: ICOM IC-2KL Power Supply - parts/rep  
I have For Sale an ICOM IC-2KL Power Supply. This is for a non-working PARTS or REPAIR. I think it has voltage regulation issues. Amp goes into fault protection when you key up. This is for the Power Supply ONLY. I am asking only $100 plus shipping. Local pick-up is best as this PS is heavy. I can meet you in the Oklahoma City Area or I will have it at the Green Country Hamfest in April 10-11.

Listing #1763891 - Submitted on 04/02/26 by Callsign N5OHL - IP: ip24-253-247-237.ok.ok.cox.net
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 AMPHF - KPA500 RF Power Monitor   
KPA500 RF Power Monitor — Real-Time OLED Display for Elecraft KPA500

Six critical parameters, always visible, updating 10×/second on a high-contrast 256×64 OLED. No menu cycling. No squinting.

Monitors: Power Output (0–700W) · PA Voltage · PA Current · SWR · PA Temperature · Band + Operate/Standby

3×2 grid layout — large fonts sized for quick reading across the shack.

Direct RS-232 integration via MAX3232 — no amplifier modification required.

Specs: XIAO ESP32-C3 · SSD1322 256×64 OLED · 9–14.8V DC · 100mA · 10 Hz update rate · 4″ × 2″ × 4″

Bonus: Built-In WiFi — web interface mirrors the OLED with a retro green-on-black aesthetic, updated via WebSocket. Includes Power, Operate/Standby, Fan Speed, and Band controls plus OTA firmware updates. Access via kpa500.local — no app required. OLED operates independently of WiFi at all times.

Includes: Assembled & tested unit, DC power cable, RS-232 cable, quick start guide.

--$199 plus $10 shipping




Listing #1763890 - Submitted on 04/02/26 by Callsign KV5J, Web Site: http://www.kv5j.com - IP: customer.mmmiflx1.isp.starlink.com
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 MISC - PUTIKEEG MINI IAMBIC KEY MCT02  
1
AD WILL DELETE WHEN SOLD
QSO VIA QTH ONLY
BRAND NEW IN FACTORY SEALED BOX
CW Keyer Double Paddle Morse Key Mini Versatile for radio enthusiasts, camping, or indoor use. The weight is 0.24 pounds (106 grams).
Constructed from Aluminum alloy for durability and rust resistance.
Features magnetic base for easy fixation on iron surfaces.
Customize Dit & DAH paddle distance for personalized experience.
Equipped with left and right switches for convenient operation. Includes 5.5mm wrench and 1.5mm hex key.
NOTE: PICTURE IS STOCK - I CAN SUPPLY A PICTURE OF THE SEALED BOX
$60 SHIPPED US


Listing #1763889 - Submitted on 04/02/26 by Callsign K4WSB - IP: 47-199-239-188.fdr01.tmtr.fl.ip.frontiernet.net
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 MISC - QSK-5  
I wish to sell an Ameritron QSK-5 T/R switch that I no longer need. These are no longer available from the manufacturer. The original cost was $379.00 but I am willing to accept a reasonable offer. I have two of these switches for sale. PayPal preferred.

Listing #1763888 - Submitted on 04/02/26 by Callsign K1MZM - IP: 69-53-40-228.burlvt.fidium.ccidns.net
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 RADIOHF - WTB: Kenwood VFO-230 and SP-230  
Looking to buy a Kenwood VFO-230 and a SP-230
Speaker to match the TS-830s transceiver. Must be in good condition. Please send photos along with prices. I’ll only respond to emails through qth or texts. Thanks and 73’s W4EKY


Listing #1763059 - Submitted on 03/24/26 by Callsign W4EKY, Modified on 04/02/26 - IP: 173.80.201.26
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 RADIOVHF - Icom ID-5100a with extras  
Icom ID-5100a. Everything works flawlessly. No scratches or scuffs on the screen, and no dim spots. Includes what you see in the photo - original box, original microphone, mounting bracket, and original power cable.
Extras:
UT133A Bluetooth module installed and fully functional
MARS mod, performed by HRO Salem
SP-35 Icom external speaker
3ft microphone extension cable
$425 includes shipping via UPS Ground with insurance to the lower 48 states. I will accept Paypal, Zelle, Venmo, CashApp, or USPS Money Order.


Listing #1763887 - Submitted on 04/02/26 by Callsign AJ4H - IP: d149-67-182-126.clv.wideopenwest.com
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Epic PWRgate 12v backup power system with smart battery charger West Mountain Radio
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