Rail-mounted GPRS DTU
FEATURES：
•Input Voltage : AC 220V
•Able To Connect Up To 16 Inverters
•Inverter Communication: RS485
•Support Remote Firmware Upgrade
•Communication Parameters：9600/N/8/1
•Support 850/900/1800/1900MHz SIM card
•Remote Communication : GPRS
•Operating temperature:-20~70℃
