The lightweight state-ofthe- art compact design is perfect for the space and weight restricted environment of a helicopter or light fixed-wing aircraft. Each of the 100 memory channels available can store a receive frequency with CTCSS tone, a transmit frequency with CTCSS tone, scan function and an alpha-numeric identifier on a 32 character LED display. Transmit power of 1 or 10 watts is easily selectable from the front of the NPX. Operating Frequency: 138- 174 MHz The optional synthesized two