Radio modems are dedicated to transfer data between two or more locations. GrandComm`s radio modems operate in VHF and UHF frequency band and can cover a distance of over 50 kilometers. The radio modems can provide programmable serial baud rates from 1200bps to 115200bps.
GrandComm`s radio modem products are designed to industrial standards and well-suited for SCADA, telemetry and process control applications in wireless environment. The radio modem can communicate data of remote control signals, telemetry signals from a transducer, computer`s RS232 port, GPS position signals, or a digital terminals.
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Every night, people who walked through Taibai Avenue can always see the beautiful Chinese lanterns, and what they don't know is that there is still a different journey behind these lights. In 2014, the Zhonghua Lighting Reconstruction Project of Taibai Avenue was initially set. In order to save energy and improve the quality of municipal facilities, the municipal department combined with the actual situation, absorbed experience and painstaking research, finally designed and developed a new LED light source, which is the patent application. Diamond LED lights.
The new LED light source fully utilizes the advantages of LED directional light projection and scientific light distribution, which greatly improves the down-light flux of the spherical luminaire. The new light source has a power of 30W, which is only 46% of the original 65W compact fluorescent lamp. However, the new light source has a 4.8-fold higher illumination efficiency than the fluorescent lamp, and its light utilization rate is significantly higher than that of similar products. At present, in addition to Taibai Avenue, the Municipal Plaza and Hexian County have also actively promoted the street lamp, and more than 2,000 lamps have been applied. 
Maanshan City Diamond LED Lights Obtained National Utility Model Patent Authorization
Recently, the diamond LED lamp designed and developed by the Municipal Office of Maanshan City passed the examination of the State Intellectual Property Office and obtained the national utility model patent authorization.