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Three black flexible whip antennas with SMA-Male connectors

usbroway

usbroway 701N SMA-Male Dual Band 144/430MHz Antenna 3PCS

SKU CH-JQ3G-V1SZJ

Three-pack of dual-band SMA-male antennas covering 144 and 430 MHz with 2.15 dBi and 2.5 dBi gain for extended handheld radio range

  • TypeTwo-way Radio
  • Dual-band 144/430 MHz coverage for wider radio compatibility
  • 15 dBi gain on VHF and 2.5 dBi on UHF for stronger signals
  • SMA-Male connector fits many BaoFeng, TYT and Yaesu handhelds
  • 20 W power handling supports extended transmit range
  • Three antennas per pack provide spares for field use

Dual-Band SMA Antenna 144/430MHz

This three-pack of 701N antennas operates on VHF 144MHz and UHF 430MHz bands with SMA-Male connectors. Each unit handles up to 20W input power and offers 2.15dBi gain at 144MHz and 2.5dBi at 430MHz. They are designed for handheld two-way radios from BaoFeng, TYT and Yaesu.

Gain and Connector Benefits

The dual-band design lets one antenna cover both amateur radio bands without swapping hardware. Stated gain figures of 2.15dBi and 2.5dBi indicate modest signal improvement over stock rubber ducks. The SMA-Male plug fits radios with a matching SMA-Female jack, so the physical connection is straightforward.

Radio Compatibility Check

Verify that your handheld uses an SMA-Female antenna port; reverse-SMA or BNC ports will not mate. Confirm the radio transmits on 144MHz and 430MHz, because the antenna is tuned only for those frequencies. Ensure your radio’s output does not exceed 20W, the maximum power rating for these antennas.

Highlights

  • Dual-band 144/430 MHz coverage for wider radio compatibility
  • 15 dBi gain on VHF and 2.5 dBi on UHF for stronger signals
  • SMA-Male connector fits many BaoFeng, TYT and Yaesu handhelds
  • 20 W power handling supports extended transmit range
  • Three antennas per pack provide spares for field use

Specifications

TypeTwo-way Radio

Questions about this item

Does the SMA-Male connector on the 701N antenna wear out and need replacement over time?

The SMA-Male connector is a standard brass interface rated for many mating cycles; normal handheld use will not require replacement unless the pin is bent or the threads are stripped.

What is the first limit reached when transmitting continuously at the 20W maximum power input?

The 20W maximum power input rating is the primary limit; sustained operation at that level will cause the antenna body to heat up before any electrical failure occurs.

How much does the antenna heat up when running all day at 20W on 144MHz or 430MHz?

At the 20W maximum power input the antenna will become warm to the touch; no active cooling is needed, but avoid enclosing it in a tight space during long transmissions.

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