Shakespeare Anteanna Radio Tester PMBOTT3 It features a raised plastic

It features a raised plastic guard surrounding the rocker switch which helps prevent accidental activation of the windlass

Fully Extended 81" L x 27" W x 27" D

CAN ONLY BE SHIPPED WITHIN THE 48 CONTINENTAL UNITED STATES AND CANADA AND ONLY VIA GROUND

splined adapter

Shakespeare Anteanna Radio Tester PMBOTT3 It features a raised plasticAntenna Radio Test Part #: ART 3 No need to call for a radio check when you have this compact, easy to use, unit on board. Unlike other meters in its class, the ART 3 tests receiver function as well as output power and VSWR (antenna efficiency). It is powered by an internal battery or can be connected to ships 12 VDC with the supplied power cable. Battery level can be checked at the flip of a switch. No serious boater should be without an ART 3.