Nagoya RB-50

Mobile Antenna Magnet Mount, 5.15" Rare Earth Magnet, NMO Mount, 18 ft. cable w/PL-259 designed for NMO antennas 50" or less in height

Solid Brass Chromed NMO mounting, Gold contact pin, PTFE insulator, 18ft. RG-58 cable, Tinned copper braid 95%

Solid insulation, Stranded tinned copper center conductor, UHF male connector on cable

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Compatible with Nagoya TB-320A and Nagoya NMO-72


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Extend the Range of Your Communication


Range of Antenna's

Receive Hard to Hear Signals and Transmit Further

Most Nagoya antennas will increase your radio's transmitting gain compared to their factory antenna.

In most cases: the longer the antenna is the better the antenna is capable of boosting weak frequencies and receiving difficult to hear stations. Shorter antennas offer more portability and convenience, while longer antennas generally perform better.

View the comparison chart below to pick the antenna best fit for your application.

  • ✔ 1.25lb HD Magnet
  • ✔ 5" Magnet
  • ✔ 18' RG-58 Coax
  • ✔ NMO Mount
  • ✔ Solid Brass Chromed NMO mounting, Gold contact pin, PTFE insulator, 18ft. RG-58 cable, Tinned copper braid 95%

Genuine Nagoya Antennas

Nagoya antennas are each individually analyzed to ensure compatibility with your radio.

Nagoya Antennas are dependable, accurate, reliable, and affordable.

Avoid antennas that pretend to be a Nagoya. Antennas that are not individually tested or tuned can cause high SWR, which damages a radio.

Nagoya Antennas are proven to be a reliable and safe antenna manufacturer.

Compare Chart


Technical Details


Nagoya Antenna magnet NMO mounts are premium quality magnetic antenna mounts with very good holding power. They are a heavy 2.5 lb magnet mount (durable hold) with a 5.15" diameter base, and are recommended for antennas up to 50 in. tall.


Solid Brass Chromed NMO mounting, Gold contact pin, PTFE insulator, 18ft. RG-58 cable, Tinned copper braid 95%


Solid insulation, Stranded tinned copper center conductor, UHF Male connector on cable


  • RB-50 NMO Magnet (18 Feet RG-58)
  • Rain Cap
  • Compatible with Nagoya TB-320A and Nagoya NMO-72