With its small size, the GR300 repeater provides the flexibility to be used in fixed sites as well as like a mobile repeater. It was designed to be used with the old series of GM300 mobile radios , but it also can operate with two radios from the new Commercial Series (CM series).As the CM radios are smaller than the old GM300 models, the GR300 housing appears to be larger (The picture shows a GR300 with old GM300 radios). To install the CM radios into a GR300 housing, longer screws and spacers have to be supplied separately from local sources(not included in the standard package).

Frequency Bands: VHF and UHF, depend on the frequency ranges of the radios which are included in its component.

GR500 provides the flexibility to build a repeater which meets the frequency bands, power level and mounting requirements in a wide variety of applications. . It was designed to be used with the old series of GM300 mobile radios , but it also can operate with two radios from the new Professional (GM Series) or Commercial Series (CM series).The Retrofit kit for New Mobile Series should be ordered additionally, to fit the new Professional or Commercial radios into the GR500 housing.

Frequency Bands: VHF and UHF, depend on the frequency ranges of the radios which are included in its component.