The purpose of EPIRBS is for maritime applications. On 406 MHz, they send a digital identifying code, and on 121.5 MHz, a weak “homing” signal. There are two classifications for 406 MHz EPIRBs: EPIRBs in Category I are immediately activated.
The purpose of EPIRBS is for maritime applications. On 406 MHz, they send a digital identifying code, and on 121.5 MHz, a weak “homing” signal. There are two classifications for 406 MHz EPIRBs: EPIRBs in Category I are immediately activated.