RH 770 SMA-Male Dual Band VHF/UHF Telescopic Antenna (144/430 MHz) High Gain, Retractable & Extended Range

The RH-770 SMA-Male Dual Band VHF/UHF Telescopic Antenna is a premium high-gain antenna designed for extended range communication. With dual-band coverage at 144 MHz and 430 MHz, this retractable antenna offers 3.0 dB gain on VHF and 5.5 dB gain on UHF, ensuring stronger signals and better reception.

It features a 20 W maximum power rating, 50 Ω impedance, and a low VSWR (<1.5) for stable transmission. The telescopic design extends from 21.5 cm to 92 cm, making it compact for portability and powerful when fully extended. Built with a durable SMA-Male connector, the RH-770 is widely compatible with popular handheld radios such as Baofeng, Yaesu, TYT, Wouxun, PUXING, Linton, and many others. Ideal for ham radio operators, emergency communication, and outdoor enthusiasts who need reliable long-distance performance. Key Features Dual Band: 144 MHz (VHF) / 430 MHz (UHF) High Gain: 3.0 dB (VHF) / 5.5 dB (UHF) Telescopic Length: 21.5 cm (retracted) → 92 cm (extended) Max Power Input: 20 W Impedance: 50 Ω VSWR: < 1.5 for efficient transmission Connector Type: SMA-Male Compatibility: Works with Baofeng, Yaesu, TYT, Wouxun & more