The utility model discloses a take zero -crossing detection's wireless dual -mode communication device of carrier wave, including the controller, be connected with power module, radio communication transceiver module, carrier communication transceiver module and zero -cross detection module on the controller, radio communication transceiver module is connected with the antenna, and carrier communication transceiver module is connected to the power transmission line, and zero -cross detection module is connected to the power transmission line for the zero crossing of AC electric network voltage detects. The utility model discloses a radio communication transceiver module can improve low pressure narrowband carrier wave and micropower radio communication's real -time communication effect effectively, the abundant cover and the UNICOM of completion equipment in to various complicated electric power environment, the adoption device is few, whole easily realization, not only the cost is reduced, subtract and changed the circuit, radio communication the reliability of the data and stability have still been improved, carrier communication transceiver module's carrier wave data transmission's synchronism is improved through zero -cross detection module, improve the signal interference killing feature, and has a low -power consumption, the high accuracy, it is anti -interference strong.