W-CDMA – stands for Wideband Code Division Multiple Access. It is a standard produced by the International Telecommunications Union, or ITU, and is a development of Code Division Multiple Access (CDMA).   The official name of W-CDMA is ‘IMT-2000 Direct Spread’, and is a 3g wireless technology  

Hytera PD405


Zigbee is a wireless connection technology created by the ‘Zigbee Alliance’ which is being used in a developing number of new products. Zigbee is a wireless technology operating in the unlicenced  2.4 Ghz ISM (industrial, Scientific, Medical) frequency band. Typical applications of the Zigbee technology include building technology control, and […]