HJ 21935 L250 5.8GHz 250mW 7g Wireless Video Transmission Transmitter Module for GoPro Hero 3/3+<br><br>Features:<br>Super light: 7g<br>Direct connect to GH3 and GH3+<br>4 pin cable for 3.7V 360mA power supply.<br>With 32ch, and new LED show user with frequency you are working at.<br>SMA connector,short type of Clover Leaf Antenna is preferred.<br><br>Specification:<br>Frequency: 5.6~5.9GHz<br>Voltage input: 3.5~5.2V<br>Send power: 250mW<br>Work current:360mA/3.7V<br>Work temperature: -20~85→<br>Video Bandwidth：8M<br>Audio encoder:6.5M<br><br>Package Information:<br>Package size: 7 * 4 * 2.5cm / 2.8 * 1.6 * 1in<br>Package weight: 35g / 1.2oz<br>Adhesive taps package<br><br>Package List：<br>1 * L250 5.8GHz 250mW 7g Wireless Video Transmission Transmitter