Embedded with industrial GPRS module.
Embedded with PPP, TCP/IP and UDP/IP protocol.
Support APN.
Support static data service center IP address.
Support DNS and Dynamic data service center IP address
Embedded with watch-dog.
Support Always-online working mode, auto connect once power on.
Support data, ring and SMS triggered online.
Support remote configuration by SMS.
Support up to 8 data service center communication.
Support Point-To-Point and Center-To-Multi-points data transmission.
Standard AT commands.
| Network | Interface |
| GPRS 850/900/1800/1900MHz Bandwidth：DL/UL 85.6kbps/42.8kbps | Antenna: 50Ω SMA female SIM/UIM：3V/1.8V Data interface：RS232/RS485 Data rate：1200～115200bps |
| Consumption | Others |
| Power supply：DC 5-30V Consumption： Idle：3.5mA@12VDC Peak：240mA@12VDC Work：50mA@12VDC | Volume：L*W*H：75*50*16mm Weight：200g Storge temperature：-40℃～85℃ Work temperature：-40℃～65℃ Humidity：<95% Warranty：1 year |
| Model | D21Z1 RS232 D31Z1 RS485 |
Application
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Thanks and Best Regards!
_____________________
Nguyen Van Hung
Công ty TNHH Thiết bị đo lường và điều khiển(MC&TT Co.,Ltd)
847 Huyen Ky, Phu Lam, Ha Dong, Ha Noi, Viet Nam
Mobile: (+84) 904251826
Tel : (+84) 4 85894254
Skype: nvhung.mctt
Yahoo: nvhung.mctt
Email: nvhung@mctt.com.vn
Website: http://www.mctt.com.vn