Professional High-Gain Dual-Band Telescopic Radiating Infrastructure
The Diamond RH770 is a commercial-grade, multi-band telescopic handheld antenna system engineered to drastically optimize RF signal efficiency, transmission reach, and reception clarity for professional portable transceivers and instrumentation scanners. Calibrated primarily for high-power dual-band operations across the 144 MHz (VHF) and 430 MHz (UHF) spectrums, this high-performance accessory also functions as a wideband monitoring receiver array, offering exceptional reception optimization for critical aviation frequencies (Air Band) alongside the 150, 300, 450, 800, and 900 MHz operational blocks. It stands as an essential utility hardware upgrade for communication equipment lockers, field monitoring teams, system integration contractors, and specialized B2B radiocommunication component distribution pipelines throughout Europe.
The mechanical layout features an adjustable, multi-section telescopic stainless steel whip structure that expands up to a maximum physical length of 93 cm to provide maximum aperture and high radiation performance when deployed on active operational sites. Capable of handling an RF input power threshold of up to 20 Watts, the internal matching network provides a stable 50-Ohm nominal system impedance curve, ensuring optimal energy conversion and safeguarding delicate handheld power amplifiers from signal reflections. Terminated with an industry-standard, precision-molded BNC male attachment mechanism, this ultra-lightweight 85-gram antenna asset establishes an instant, vibration-proof mechanical and electrical latch directly onto compatible transceiver chassis or portable service test equipment, allowing operators to rapidly balance long-range deployment performance with compact portability requirements during demanding multi-shift assignments.
Verified Technical Specifications Matrix
| Technical Specification Parameter | Verified Manufacturer Value |
|---|---|
| Product Brand Manufacturer | Diamond |
| Hardware Model Designation | RH770 |
| Primary Component Classification | Telescopic Dual-Band Portable Whip Antenna |
| Primary TX/RX Frequency Bands | 144 MHz (VHF) / 430 MHz (UHF) Dual-Band Tuning |
| Extended Wideband RX Capabilities | Aviation Air Band / 150 MHz / 300 MHz / 450 MHz / 800 MHz / 900 MHz |
| Peak RF Input Power Rating | 20 Watts Maximum |
| Primary RF Interface Standard | BNC Male Connection Base |
| System Nominal Impedance | 50 Ohms (Standard RF Fleet Calibration) |
| Total Extended Physical Length | 93 cm (Fully extended section deployment) |
| Net Hardware Assembly Weight | 85 grams |
