The Diamond SRJ-770 is one of the most efficient antennas for handheld VHF/UHF transceivers, providing a significant increase in range and clearer communication even in challenging environments. With its SMA female connector, it is compatible with a wide variety of handheld radios. The telescopic design allows length adjustment for optimal performance in any situation.

Ideal for:

• Outdoor activities such as hiking, mountaineering, and camping

• Amateur radio operators seeking improved signal strength

• Professional use: security teams, event coordination, logistics

• Any scenario requiring reliable long-distance communication

Technical Specifications:

• Operating frequencies: 144 MHz / 430 MHz (dual-band VHF/UHF)

• Maximum length: approximately 92 cm (fully extended)

• Connector type: SMA female

• Impedance: 50 Ω

• Power handling: up to 20 W

• Gain: 2.15 dBi at 144 MHz, 4.5–5.5 dBi at 430 MHz

• Weight: about 86 g

The Diamond SRJ-770 instantly upgrades your handheld transceiver, giving you greater range, more stable signal reception, and dependable communication wherever you are.