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RAdios and Accessories for Hobbyists & proS

From the fastest growing small DMR radio, and LiFePO4 Batteries designed for Amateur Radio, we have the products you need for fun and emergency communications alike. Repeaters, specially designed ham and GRMS antennas and the tools to manage them.

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Batteries and Radios are back in stock on Amazon.

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Premium products

Curated radios and in-house designed accessories focus on durability and quality. All products come from ISO 9000 manufacturers.

Thousands of satisfied customers

The popular KD1MU DM-4R is offered under multiple brands. Thousands sold with positive reviews.

Free Shipping

We offer free shipping to the US and US Territories. Products delivered by USPS Ground Advantage.

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Happy Customers

Amazon, AliExpress, and Facebook reviews say that KD1MU offers great service, support, and product. We are a value-add reseller so if you get stuck, we’re here to help you through your issues. Whether it’s writing your first DMR code plug or debugging an off-frequency hotspot, you can always count on us being there for you.

Accessories

Programming cables, antennas, LiFePO4 batteries, and more. Our Accessories are curated or designed by our team to meeting the needs of radio operators.

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Radios

We offer Dual Band analog and DMR Amateur radios along with Repeaters and the new Multi Band hand-hands. We only offer FC Certified radios from ISO 9000 Certified shops.

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LiFePO4 Batteries

Our LiFePO4 batteries are built to our specifications. Features like Power Pole connectors, high current delivery and full safety protection. Our batteries are built by ISO 9000 Shops and Carry UN38.3 Certification.

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Stories by our customers

Customer Testimonials

Testimonials straight from Amazon, AliExpress, and Kd1mu-radio reviews.

“A lot of power that just fits in a manpack radio bag. Stumbled on to this battery while doing an exhaustive search for a battery to fit in a manpack I was building. This came highly recommended and was a snug fit. So far it’s performing great. A much better price than other less powerful solutions that I was considering.”

L. Fairall

Amazon LiFePO4 Buyer

“I’m a ham radio operator and use LiFePo 4s exclusively. Other purposes include camping applications – recharging phones and other battery-operated items. Add up all your mAH needs, you’ll get plenty of charges off these. And they’re affordable.”

Amazon Customer

Amazon LiFePO4 Buyer

(DM-4R) A MUST TO HAVE Radio I do recommend it. THE BEST DMR and economic Radio It has to stay in the market ! Everything IS THE BEST. Lots of features available.”



Amazon Customer

Amazon DM-4R Buyer

“Nice Radio for the Money had appears it has Auto Talker Alias that works !! For the Money this is a very decent radio, software was simple I actually am really impressed.”





Joe Augustine

Amazon DM-4R Buyer

“I found this to be an excellent little radio; sound quality and build is very good. The CPS software was a pleasure to use by far the easiest radio to program. If you are familiar with the DMR structure you will have no problem. If you are not then you will struggle, and the struggle is the same with ALL DMR radios. Go slow and learn the DMR structure and this will make you a fine radio.73”

David Smith

Amazon DM-4R Buyer

“I would not call this an entry-level radio. It does have a few quirks that could scare away newcomers. The biggest problem people have getting into DMR is learning how to program the radio. This is a problem with *ALL* DMR Radios!
I have several similar radios and I can tell you this one is the best value for the money on the market right now.”

Jesse Rhoads

Amazon DM-4R Buyer

Technology News

View Our Latest Posts and Feeds

Latest radio news from Kd1mu, the Kd1mu Radio Store staff, and guests. Topics include reviews, FCC news, Radio tips and tricks, and our own personal projects.

Posts

  • Drilled through the flue

    Drilled through the flue

    I drilled a 1 inch hole through what appears to be 1 to 2 inches of ceramic flue. This is an old incinerator flue that hasn’t been used for 40 or so years and we use it as a cable shaft. I drilled a 1 inch hole to accommodate the PL259 already on the…

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  • Value-add Our Business Strategy

    Value-add Our Business Strategy

    I get asked now and then about the differences between my DMR radio and the one sold by the manufacturer. In many cases, the questions imply that I am bulk buying cheap radios and selling them at a big discount. First of all, let’s be clear, you don’t make money competing with the sellers…

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  • Antenna Arrivals

    Antenna Arrivals

    The finely tuned stick antennas for Ham dual bands VHF/UHF and GMRS UHF will arrive next Tuesday, October 23. These antennas outperform many antennas available on the market and are especially tuned for the IRadio products. I am using my GMRS antenna with a Baofeng GM-15 Pro and I can finally stand on the…

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