无线发射接收成套原理图和PCB电路图！其中无线发射IC和接收IC是综合考虑了性价比很高的IC！其中超外差接收IC是法国一家公司的内有中文PDF资料，而且此超外差IC现在是市面我所发现的最便宜的超外差接收IC，而且以大批量投产过！-Wireless transmitting and receiving sets of the circuit! In which the wireless transmitter and receiver IC IC is very high considering the cost-effective IC! Superheterodyne receiver IC which is a French company in a Chinese PDF data, and the superheterodyne IC market is now the cheapest I' ve found the superheterodyne receiver IC, and the production of large quantities too!