200KHZ and 50KHZ transducers are supplied by OVA Technology CO., Ltd. was established in 2001,is a enterprises focus on underwater transducer research and development and manufacturing.
This model A-TD28 can optional depth and temperature.
Good target detail in shallow-water at 200KHZ and good deep-water bottom tracking at 50KHZ.
●High sensitivity and strong Anti-interference
●Firm and durable,high precision frequency
● High reliability fish finder or echo sounder transducer