Echonautics BT87M1kW-18 1kW 85-135kHz medium CHIRP 18d Tilted Element Bronze TH Communication | VHF - Fixed Mount -One SART per every four

-One SART per every four liferafts on ro-ro passenger vessels

25" W x 12

AIS™ 800 Blackbox Transceiver

CHIRP from 235kHz or 445kHz center frequencies with thru-hull

electronics boxes

Echonautics BT87M1kW-18 1kW 85-135kHz medium CHIRP 18d Tilted Element Bronze TH Communication | VHF - Fixed Mount -One SART per every fourEchonautics BT87M1KW 85 135kHz 1kW Medium CHIRP 18 deg Tilted Element Model: BT87M1KW 18 Superior shallow water performance and bottom detail The Echonautics BT87H1kW is a low profile thru hull CHIRP transducer designed to minimize drag and to perform at high speeds. Thanks to the narrow beamwidth, it is excellent for pinpointing fish holding tight to reefs, wrecks, and other structures. Specifications FunctionDepth and Temperature Frequency CHIRP 85