Diamond RH789 Telescopic Antenna


The Diamond RH789 95-1100 MHz Telescopic Antenna is a versatile and high-performance antenna designed for wide-band reception across frequencies ranging from 95 to 1100 MHz. With its telescoping whip structure, this antenna offers excellent omnidirectional reception capabilities, making it ideal for various applications such as amateur radio, scanner monitoring, and FM broadcasting.


Featuring a hinge mechanism, the RH789 allows for easy adjustment and positioning, ensuring optimal signal reception. At its full length, it is also capable of AM/FM reception, providing versatility for different broadcasting needs.

Despite its compact size, this antenna offers impressive gain performance, with a relative gain of 2.15 dBi when retracted and 3.2 dBi when fully extended. This gain ensures enhanced signal strength and reception quality.

Diamond RH789 Telescopic Antenna

The antenna is constructed with six sections, allowing it to be collapsed to a compact length of 7.9 inches for easy storage and transportation. When fully extended, it reaches a length of 31.7 inches, providing extended coverage and reach.

With a durable build and a weight of only 1 ounce, the Diamond RH789 is highly portable and suitable for both indoor and outdoor use. Its BNC connector ensures compatibility with a wide range of devices, while its impedance of 50 ohms and maximum power rating of 10 watts make it suitable for various radio communication applications. Whether you’re a hobbyist, enthusiast, or professional, the Diamond RH789 offers reliable performance and flexibility for your communication needs.


  • Weight: 1 oz
  • Connector: BNC
  • Impedance: 50 ohms
  • Max Power Rating: 10 Watts
  • Gain (Relative): 2.15 dBi / 3.2 dBi
  • Length: 7.9″ retracted, 31.7″ fully extended, 6 sections
  • Bands: 1/4 wave (95 to 300 MHz), 5/8 wave (300 to 1100 MHz)

Additional information

Weight0.4 kg