Based upon CDMA technology, Model KT28 Mine-used CDMA Wireless
Communication System is specially developed for meeting
requirements of underground working environment and safety
production. The system is consisted of surface part (including
server, operation and maintenance subsystem, wireless exchanger,
basestation controller, basestation, power divider, power combiner,
local optical module), underground coverage network (including
junction box for optical cable, optic combiner/divider, KZG1
mine-used wireless signal converter, KTW116 wireless coupler,
KTW115 wireless power divider, leakage cable, omnidirectional
antenna, directional antenna), and terminal devices (including data
terminal, video terminal, KTW25 mobile phone, KTW25A mobile phone). The system has been awarded the first prize of Scientific
Technology by Coal Industry Association, and the third prize of
Science and Technology Progress by China Coal Research Institute. |
