A typical doppler cord structure is similar to a ECG cable,which has metal shield to anti EMC and Low noise layer to reduce Triboelectric noise.Its coiling structure decides its performance should be even stronger than ECG cable and other coil cable.A cable manuf may make good coil cable,but not easy to make good coil doppler cord.We have helped many Doppler manufacturer customized different Doppler cord range from 2MHz to 8Mhz and higher…