The PRC-6 is a fifties vintage VHF FM transceiver. Designed as a replacement for the BC611, it is of walkie talkie form factor with a flexible tape antenna.
PRC-6 which entered service in 1951. It became one of the most common military radios of all time, seeing service up until very recently.
The PRC 6/6 has a HF-power output of 0,25 Watts and was guaranteed by its developers to have a range of about 1,6 KM's ~ 1 mile. Modulation is in F3 and the frequency range is between 47 and 55,4 MHz