Trail communication is key, whether your spotter is telling you where to put your tires or when you are trying to reach base camp to tell them you are upside-down. That is why we require a Citizens ...

If you are involved in any sort of radio transmission, you probably have at least heard of SWR or standing wave ratio. Most transmitters can measure it these days and most ham radio operators have ...

S/RF/SWR/CAL Switch, allows antenna matching for optimum performance SWR/RF/SWR Meter, provides power output, signal strength and SWR readings Mic/RF Gain Control, adjusts the receiver sensitivity to ...