Company Profile


Shanghai Sunray Technology CO., Ltd, found in 2004, is a professional designer/ manufacturer of RF Modules. We have successfully offered kinds of solutions for the wireless industry and metering solution for water meter, gas meter, heat meter, 485 and pulse electrical meters in domestic and international customers.
Our products have been exported to all over the world, which are widely used in power, finance, media, , home automation, AMR system and public transport industry etc. More than 700,000 modules can be supplied every year. Thanks to the excellent performance of those modules, we enjoy a good cooperation with almost all the wireless water/electronicity/gas meters manufacturing company in China. We are also doing ODM/ OEM for many foreign companies, such as Europe, North and South America, Austrilia, Asia, Middle East etc.
All the process complies with ISO 9001:2000 standards. In China Sunray is the first company which has organized large-scale production and standard management in wireless industry. We have passed the state radio management committee approval, and also obtained Chinese Academy of sciences low-voltage AMR test certificate. In addition, we have 13 design patents and 1 copyright for computer software. Sunray really hopes to establish long time and mutual benefit relationship with numerous companies to reach win-win situation.  
Main Application Range:

  • Automatic Meter Reading (AMR) system for water, gas, heat and electricity
  • Remote Control for Industry vehicle and lifting machine
  • Data collecting in production line
  • Data communication for railway, oil well, dock and army
  • Medical treatments and electric instruments automation control
  • Wireless intelligent control for lighting system
  • Security alarm, attendance checking and locating for coal mine workers under well
  • Car alarm, tire pressure monitoring and wheel aligner
  • Wireless POS, PDA wireless smart terminals
  • Wireless dishes ordering system
  • LED display screen in thruway and public places
  • Automatic non-stop billing system on freeway
  • Wireless crane scale and weighing machine solution
  • Environment remote monitoring
  • Queuing management system in bank, hospital, hall and etc.

Products Main Features:

Transparent data interface, suitable for any standard or non-standard user protocols

  • Auto filtration of false data produced in the air, and be able to transmit long data frames
  • Frequency band: 403MHz, 433MHZ, 470MHZ, 868MHZ, 915MHZ, 2.4GHz and ISM others
  • 8 channels, expandable for 16/32 channels according to customers’ requirement  
  • Data interface: UART TTL, RS-232/485, user configure by jumpers
  • Effective data rate: 1200, 2400, 4800, 9600, 19200 and 38400bps, which is set during production
  • Data format: 8N1/8E1, user-defined, welcome customization for other data formats
  • Supported network: point to point, point to multi-point and multi-point to point
  • Half duplex, integration of receive and transmit
  • Intelligent control for data receive/transmit conversion, no more other program needed
  • Low power consumption and sleep function
  • Impedance: 50 OHM( SMA antenna base, multiple antenna options available)
  • Temperature: -35’C~ +85’C (customized batch order for industrial level)
  • Good reliability for long-time use, low failure rate, and suitable for both indoor and outdoor.