Airmar B285M Single Band CHIRP Thru-Hull Reqs Mix Match Cable [B285C-M-MM]B285M Single Band CHIRP Thru Hull Req's Mix & Match Cable Medium frequency delivers the right combination of coverage under the boat, extended depth range and the ability to produce clean and accurate target and structure returns in the mid to deeper water depths. Operating at a frequency range of 85 to 135 kHz, this transducer reveals fish at medium depths (up to 1,500') and delivers ultra clear target resolution. This model is also ideal for single