9D40 D
 Federal Communication Commission requirements for GMDSS specify an EPIRB capable of:
A. Transmitting distress alerts on 406.025 MHz.
B. Transmitting a beacon on 121.5 MHz.
C. Receiving distress alerts on 156.8 MHz.
D. Transmitting distress alerts on 406.025 MHz and a beacon on 121.5 MHz.
