The Icom F51 is a highly compact, rugged, waterproof radio (to a depth of 1m for up to 30 minutes). With 128 channels programmable in up to 8 banks, with 12.5 or 25KHz channel spacing programmable per channel, 5 tone signalling with emergency alert button, CTCSS/DCS tones, and an FFSK modem built in for the transmission of GPS position data and text messaging.  All these features make this radio unbeatable for emergency services, search and rescue applications, and any users who operate outdoors. At a little over £300 these radios represent awesome value for money.