rt138The ANPRC-138 (V)2 (RT-1694) is a HF-SSBVHF FM manpack transceiver that covers the 1. 6-60 MHz spectrum in 10 Hz steps, with up to 100 preprogrammable simplex or half-duplex@RT138. Share Page. Download & Share QR Code. Share on Social. Share on . Share via Telegram. Share on . Share on LinkedIn. Share