ACR PLB-375 ResQLink+ 406 Buoyant Personal Locator Beacon All Personal Locator Beacons sold by US are pre-programmed with the US country code. This PLB should only be used in situations of grave and imminent danger to life. False alerts endanger lives and cause expensive disruption to Search & Rescue services. Deliberate misuse of the device could result in a penalty. Unlike most satellite enabled notification devices, the ACR ResQLink+ PLB requires no monthly or annual subscription, making it one of the most cost effective GPS enabled emergency beacons available for long term use. Radiated Power:5W (406 MHz), 50 mW +/-3dB (121.5 MHz)