The RXH-8161 is a ship's bridge MF/HF receiver for Navtex/DSC communications and message decoding, compliant with international recommendations. The frequency range for the receiver is from 50 kHz to 30 MHz; supported modulations are F1B and J3E. The device can receive the six frequencies in the MF and HF bands used for DSC communications (2187.5 - 4207.5 - 6312.0 - 8414.5 - 12577.0 - 16804.5 kHz), with automatic scanning.