The GRH ground independent, detachable half-wave whip is a lightweight solution for VHF communications between 148-174 MHz. To attain your required frequency field trim using a SWR meter to achieve your require 4 MHz bandwidth. When situation where damage or vandalism may occur or when not in use, the detachable antenna top can be removed from the cable base. Ensure to cover the exposed cable base connector to stop dirt/water ingression. To Mount the GRH you will require a minimum 16mm hole/bracket such as a GM1.
148-174 MHz - VHF high band
Field trim to 4 MHz bandwidth
2.1 dBi - suits hilly terrain, CBD locations or low gain requirements
Field tune whip using SWR meter once installed into location. Tune guide on installation guide
50 Ohms
360° omnidirectional ± 0.5 dBd
50 Watts
Vertical
Type 17-7PH stainless steel whip, black delrin base ferrule, detachable 6m cable assembly with Right-angle UHF female connector and BNC male connector
Right-angle UHF female base and BNC male connector supplied, not fitted
Height: 1.17m, Mount hole required: 16mm
0.460
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