?Perfect DIY transceiver kit for radio amateur. It has increased many auxiliary functions which make it more practical. <br><br><strong>Features:</strong> <br>This transceiver kit is a perfect DIY kit for radio amateur. <br>Use STC12C4052 micro-controller£¬ many auxiliary functions are increased: adjustable side-tone and transmission speed£¬ flexible setting of built-in code. <br>The circuit has the function of automatic identification of automatic and manual keys£¬ as long as you correctly connect the manual button according to the manual. <br>The local frequency is 7.023MHz when transmitting£¬ the local frequency is 7.023-7.026MHz when receiving. <br>Specific sign on the PCB£¬ convenient for installation. <br><br><strong>Specifications:</strong> <br>PCB Size: 11 * 7.7cm / 4.3 * 3in <br>Output Power: 8W <br>Power Supply: 12V (battery or linear regulated power supply) <br>Local Frequency: 7.023MHz(transmitting) 7.023-7.026MHz(receiving) <br>Antenna: 50ohms£¬unbalanced (antenna is not included) <br>Working Mode: CW <br>Package Size: 16.5 * 12 * 1cm / 6.5 * 4.7 * 0.4in <br>Package Weight: 96g / 3.4oz <br><br><strong>Package List:</strong> <br>1 * Set of DIY Transceiver Kit