I、Introduction: Xian Urban Water Supply and computer-aided dispatch system to be used 220 ~ 240MHz frequency band wireless data transmission. For the ....
I、Introduction Shenzhen Sinosun company specializing in the field of wireless data transmission product development and production, is one of the indu....
Observing international communications manufacturers, now for the Chinese market 230M-band data transmission radio foreign companies are: American MDS....
Since the late nineteenth century since Marconi invented the radio, using radio (English RADIO ie radio) transmission of information via radio waves a....
Sending and receiving radio waves between the radio through the radio antenna in the air transmission. In order to ensure stable and reliable signal t....
First, the transit systems composition and working principle The use of towers, buildings or mountains and other high ground, set up large-scale trans....
Digital radio provides two-way wireless data transmission transparent channel, the radio is generally the standard RS232 interface, support 300 ~ 3840....
Data transmission can be simply divided into wired (including erection of cable, telecom cable or leased line) and wireless (divided into establishmen....