Shanghai Sunray Technology CO., Ltd is a professional manufacturer of wireless transceiver data modules.Main application range:* Data radio can be used for wireless meter reading for gas, water, electricity meters for residential quarters;* Radio modem can be used for wireless meter reading for power supply bureaus and stations;* RF modem can be used for fire protection safety alarm and building automation control;* RF transmitter can be used for access control, attendance check and dinner disperser system;* Wireless telemetry can be used for medical instruments;* Wireless modem can be used for wireless remote control alarm of power supply and fan equipment in the computer room;* Wireless sensor can be used for warehouse logistics, laser gun and bar code reader;* Data radio can be used for Wireless conference voting system;* Mapping;* Radio modem can be used for Sports training & competition;* Wireless dishes ordering;* Wireless POS, PDA wireless smart terminal;* RF modem can be used for Electronic bus station and intelligent traffic;* RF transmitter Wireless electronic display screen and queuing machine;* Wireless telemetry Charging for parking, parking lot;* Wireless modem Automobile inspection and four-wheel orientation;* Wireless sensor Industrial wireless remote control and air conditioning remote controller;* Observation and predication of oil well and hydrological information;* Wireless RS232/RS485 conversion/connector;* Point to multi-point wireless network, wireless on-the-spot bus and automatic data collection system;* RF modem with zigbee chipcon provide the networking protocol.