Note: this product can theoretically transfer 200 meters is more exposed to point to data calculated in practical use because of interference and obstacles in the physical environment which is shorter than the theoretical distance. specific distance required is subject to the physical environment, different distances will vary. Please pay attention to it!

Product features

1. the use of frequency-hopping spread spectrum technology (FHSS),strong anti-jamming ability, and the sound quality is clear.

2. working frequency900MHZ ISM,905-925MHZ

3. long distance, empty200-300m

4. supporting a receiver equipped with two transmitters,ABswitches select which transmitter

5. sending and receiving code needs to only work, strong

6. can support60thousand users at each other without interference

7. has the temperature, wet, vibration alarm function