Price: US $9.37/ piece|Bulk Price: US $9.37/piece 11% off(6 pieces or more)|Processing Time: Ships out within 7 days
Unit Type: piece|Package Weight: 0.1kg|Package Size: 20cm x 15cm x 3cm
Description:
Working Voltage:1.2V-9V
Working current:3mA,1.2V,25mA,9V
Use the 9V battery, can broadcast 100hours.package do not include the battery.
Broadcast frequency rang:60MHZ-128MHZ, Frequency adjustable
Before shipping, the we have adjusted the frequency to 94MHZ-98MHZ.
Very small size, as small as a coin
Very high sensitivity, can hear the footsteps in the quiet room, can hear sound of the wind clearly in outside
Using a wire as the antenna, the antenna's length can be appropriately increased or decreased accordiing the actual listening environment.
If you need to adjust the frquency, please adjust the green adjustable capacitor in the middle board.