![Shakespeare ART-3 Antenna Radio Tester [ART-3] Electrical 240SW 5 x 8 Hailer/PA](https://cdn.shopify.com/s/files/1/0943/8652/0347/files/30554XL.jpg?v=1747243506)
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240SW 5 x 8 Hailer/PA Horn - White
3/8" mounting hardware
This feature provides up to 10 depth ranges
The swivel mount is stainless steel construction
Shakespeare ART-3 Antenna Radio Tester [ART-3] Electrical 240SW 5 x 8 Hailer/PAAntenna 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.
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