Product parameters:
Volume: 22mmX6.5mmX4mm
Antenna length: 17cm
Operating frequency: UHF (400-470MHZ random shipping )
Use the intercom or special receiving equipment for the receiver
Work: FM
Operating voltage: 3.2 ~ 5V (recommended for a lithium battery)
Working current: about 50mA
Working distance:in open placeabout 500 meters (voltage at different distances vary)
Application: Sound monitoring, security.
Founded in 2004, the main production: 2.4 G transmitter 5.8 G transmitter. 8 V 12 V lithium battery, all kinds of wireless camera, wireless baby monitor.