With a small size and light weight， this FX FX668T 600mW 5.8G 40CH FPV Transmitter is perfect for racing drones and quadcopters FPV upgrading. Specially designed for FPV racing， it has 40 Channels and it has Raceband， which is 37Mhz apart from the next channel (e.g. 5658， 5695， 5732， 5769， 5806， 5843， 5880， 5917Mhz)， this will minimize jamming with another FPV player in the field.<br /><img alt="" src="//www.guphotos.com/images/uploads/RM6956-01.jpg" style="width: 800px; height: 800px;" /><br />Features:<br />Super lightweight， mini size.<br />40 channels button switch and LEDs for frequency selection and avoids interference.<br />Its unique raceband will minimize jamming with another FPV player in the race field.<br />Built-in microphone sound transmission.<br />Vertical antenna features zero latency and long transmitting range.<br />Easy to install， plug and play.<br /><br />Specifications:<br />Tx Power: 600mw<br />Module: Wideband FM Module<br />Output Impedance: 50Ohm<br />Output Power: 27dBM<br />Frequency Range: 5645~5945Mhz<br />Channel: 40CH<br />Operating Voltage: 7V~28V<br />Supply Current: 260mA<br />Output Voltage(VOUT): 5V<br />Operating Temperature: -10~85 degrees<br />Video Band Width: 6M<br />Audio Carrier Frequency: 6.5MHz<br />Video Input Level: 0.8~1.2Vp-p<br />Video Input Impedance: 75Ohm<br />Audio Input Level: 0.8~2.0 Vp-p<br />Audio Input Impedance: 10K Ohm<br />Connector for antenna: SMA K<br />Dimension: 43 * 22 * 9mm<br />Weight: 17.5g<br /><br />Frequency range:<br />   CH1      CH2     CH3     CH4  CH5   CH6     CH7     CH8<br />Band F: 5740Mhz 5760Mhz 5780Mhz 5800Mhz 5820Mhz 5840Mhz 5860Mhz 5880Mhz<br />Band E: 5705Mhz 5685Mhz 5665Mhz 5645Mhz 5885Mhz 5905Mhz 5925Mhz 5945Mhz<br />Band A: 5865Mhz 5845Mhz 5825Mhz 5805Mhz 5785Mhz 5765Mhz 5745Mhz 5725Mhz<br />Band R: 5658Mhz 5695Mhz 5732Mhz 5769Mhz 5806Mhz 5843Mhz 5880Mhz 5917Mhz<br />Band B: 5733Mhz 5752Mhz 5711Mhz 5790Mhz 5809Mhz 5828Mhz 5847Mhz 5866Mhz<br /><br />Package information:<br />Package size: 9.5 * 4.5 * 2.2cm / 3.7 * 1.8 * 0.9in<br />Package weight: 31.7g / 1.1oz<br />General box package<br /><br />Package list:<br />1 * FX668T 600mW Transmitter<br />1 * Antenna<br />1 * Cable<br />1 * English Manual<br><img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/R/6/RM6956/RM6956-1-9880-b4AF.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/R/6/RM6956/RM6956-1-9880-XE6q.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/R/6/RM6956/RM6956-1-9880-qvQy.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/R/6/RM6956/RM6956-1-9880-Nc86.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/R/6/RM6956/RM6956-1-9880-czBC.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/R/6/RM6956/RM6956-1-9880-tpwv.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/R/6/RM6956/RM6956-1-9880-VDzx.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/R/6/RM6956/RM6956-1-9880-T4cM.jpg" /><br>