1, the transmit power 7W 2, receiver sensitivity :-105DB , actual test distance can reach 10 kilometers. KST-TX11 ten kilometer transmitter moduletransmitter power :7Wreceive sensibility :-105DB,the actual test distance can up to 10 kilometeroperating voltage:9-12V, equipped with special radio-frequency antenna, with a cooling device Long range wireless module,Ten kilometres transmitter module