The M422 VHF from ICOM America offers SC-101 Digital Selective Calling functionality and full GPS interface capability. Waterproof and durable, the M422 is built on a one-piece, die-cast aluminum chassis and has a large, backlit LCD display for low-light use. The unit features sensitive reception, dual- and tri-frequency monitoring and "receiver repeater," which allows the user to monitor the radio through its built-in hailer. Equipped with DSC-encoded single-button distress calling, the M422 sells for $240. ICOM America; (425) 454-8155; www.icomamerica.com.