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Power  Board, RF  433MHz 5-8.4V 1.6A SMA K Female Head  for DIY

<ul><li>Reliable Work: Can also work below 0.1W, and the output will increase with input increase, and finally get to the maximum power point</li><li>Greater Power: Powered by 2pcs lithium battery, the maximum output can get to 39.2dBm 8.31W at 433MHz under 8V volt with 1.56A current</li><li>Broad Utility: Allows for extensive application on digital transmission, extended range, remote control, power amplification and so on</li></ul>

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<br/><b>Specification:</b><br/>Item Type: Power  Board<br>Model: XR-109<br>Material: PCBA<br>Operating Frequency: 400-460MHz<br>Maximum Output Power P1dB:<br>8.32W, 39.2dBm at 8V 1.56A, efficiency 66.6%. <br>6.76W, 38.3dBm at 7V 1.43A, efficiency 67.5%. <br>5.12W, 37.1dBm at 6V 1.26A, efficiency 67.7%. <br>Input Power: 20~23dBm, 0.1~0.2W, it can work below 0.1W, the output power will increase with input power increase, and finally get to the maximum power point. <br>Working Voltage: 5-8.4V typical lithium battery supply voltage. <br>Working Current: 1.6A, maximum. <br>Input Impedance: 50 ohms<br>Output Impedance: 50 ohms<br>Input and Output Terminals: SMA k female head. <br>Module Size: Approx. 4 x 5.5cm / 1.57 x 2.17in excluding protrusions<br>Power: 8V power supply, output 39.2dBm, 8.3W, efficiency 66.6%.  <br/><br/><b>Package List:</b><br/>1 x  Power  Board <br/><br/><b>Note:</b><br/><div>1. Since it is in the UHF frequency band, there are certain requirements for the input and output cables, and the input and output are required to be coaxial cables with 50 ohms impedance. If it is connected with ordinary wires, it may not work normally, and there may be strange phenomena such as low output power and self excitation. </div><div>2. Due to the large output power, do not connect the antenna directly to the output port of the power . Please use a 50 ohm coaxial cable of no less than 2 meters to connect to the antenna to prevent strong  from close range from interfering with the normal  of the power . </div><div>3. This power  is a  way power , which can only work in  direction. It cannot be  on equipment that needs to receive  such as two way data transmission or  talkies. If there is anything you do not understand, please contact for confirmation. </div>

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