| Waterproof Grade|| IP65|
| Ambient noise|| =60dB|
| Working Frequency|| 300~3400Hz|
| SLR|| 5~15dB|
| RLR|| -7~2dB|
| STMR|| =7dB|
| Working Temperature|| -30?~+50?|
| Relative Humidity|| =95%|
| Atmospheric Pressure|| 80Kpa-110Kpa|
1. Shell is made of Special PC/ ABS
2. 304# stainless steel armoured cord or PVC coiled Cord
3. Pierce-proof and Hi-Fi transmitter and receiver
1. The length of the tube is flexible,standard is 900mm, the diameter of the tube :F8.4mm,F7.8mm,F6.5mm
2. Connector can be chosen: Y-spade,RJ11,XH-pg,USB,Audio Jack, Aviation Joint, XLR Connector,ect.
3. High strength steel rope diameter can be chosen:standard is F1.6mm, other diameter is F2.0mm,F2.5mm
4. Handset Color: standard is black or red, other color can be customized.
5. Microphone: Electret microphone or Dynamic microphone.