A unique feature of the VX-7R is its ability to transmit in AM at a 1 watt carrier power on the six meter band. This mode of operation allows the VX-7R to be used to drive a Transverter or for QRP DXing, where a weak FM signal would not be able to overpower natural or man-made interference.
The American version will do 300 mW on the 220 band, Power output on 6 meters, 2 meters and 440 MHz is 5/2.5/1/0.5 watts FM. It receives the AM and FM broadcast bands, shortwave (AM), VHF and UHF TV audio, VHF Air and public service frequencies, it will do AM on 6 meters@ 1 watt.
The 7RS is silver and the 7RB is black.
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Jeff