The Lowrance HST-DFSBL stern transducer - 50/200 kHz has a transmission cone of 12 ° at 200 kHz and 35 ° at 50 kHz. The cable length is about 5 feet. The encoder is supplied with a bracket for mounting the rear, has a blue connector and is also suitable for many sounders with gray connector.
Compatible with:

     HDS-5 / Gen2 / HDS 5x / HDS-7 / Gen2 / HDS-8 / HDS-10 (Gen.1 and Gen.2 each and Gen.2 Touch)
     LCX-110C, LCX-111C HD, LCX-112C, LCX-113C HD, LCX-17M, LCX-20C, LCX-25C, LCX-26C HD, LCX-27C, LCX-28C HD, LCX-37C, LCX-38C HD
     LMS-332C, LMS-334C iGPS, LMS-480, LMS-520C, LMS-522C iGPS
     X102C, X125, X135, X-510C, X52
     BSM-1, BSM-2
     and explicitly by the manufacturer for shared Navico, Simrad and Lowrance models

In conjunction with the LCX devices, the temperature sensor is not working.