PRC-140/E is a Software Defined Radio (SDR) in HF frequency band designed and manufactured according to the MIL-STD-141B standard. Modem of the radio meets the MIL-STD-188-110C for stability and increasing quality of voice/data transmission in HF frequency band. In addition, this radio is a frequency hopping radio to establish stable communication in EW situation. In order to keep away the operators from propagation center, the radio can be operated via a remote control unit as a panel. Output power of the radio is 20W. PRC-140/E is designed for operating as a manpack radio communication system.