DTU- CM3161
| Feature | |
| 1, Remote wakening: support the wakening ways like SMS, voice, data and disconnection overtime | |
| 2, Support dual data centers backup and multiple data centers (8) to receive data; it can support the maximum number 256 of sending centers | |
| 3, Support serial port software upgrade | |
| 4, Support LINUX, UNIX and WINDOWS operating system at the same time | |
| 5, Improved network support: support including 2G network (GSM network), 2.5G network (GPRS network), 2.75G network (EDGE network), 3G network (WCDMA network, EVDO network, TD-SCDMA network), 4G network (HSPA+ network, LTE network), all networks supported | |
| 6, Abundant interfaces: provide RS232 interface or RS485 interface or TTL interface or RS422 interface or USB interface, all interfaces supported | |
| 7, Support fixed IP communication mode: support DDNS dynamic domain name communication mode | |
| 8, TCP transparent data transmission and UDP transparent data transmission; support multiple operating modes | |
| 9, Intelligent anti-dropped, support online testing, online maintenance, automatic re-dial, ensure the equipment is always on-line |
| Feature | |
| 1, Remote wakening: support the wakening ways like SMS, voice, data and disconnection overtime | |
| 2, Support dual data centers backup and multiple data centers (8) to receive data; it can support the maximum number 256 of sending centers | |
| 3, Support serial port software upgrade | |
| 4, Support LINUX, UNIX and WINDOWS operating system at the same time | |
| 5, Improved network support: support including 2G network (GSM network), 2.5G network (GPRS network), 2.75G network (EDGE network), 3G network (WCDMA network, EVDO network, TD-SCDMA network), 4G network (HSPA+ network, LTE network), all networks supported | |
| 6, Abundant interfaces: provide RS232 interface or RS485 interface or TTL interface or RS422 interface or USB interface, all interfaces supported | |
| 7, Support fixed IP communication mode: support DDNS dynamic domain name communication mode | |
| 8, TCP transparent data transmission and UDP transparent data transmission; support multiple operating modes | |
| 9, Intelligent anti-dropped, support online testing, online maintenance, automatic re-dial, ensure the equipment is always on-line |
| Model No. | CM3161 (GPRS) |
| Cellular Parameters | |
| Item | Content |
| Cellular | GPRS/GSM |
| Standards and frequency bands | Support EGSM900/GSM1800MHz dual-band, Support GSM phase 2/2+ Support GPRS multi-slot class 10, class 12 optional |
| Coding scheme | CS1~CS4 |
| Communication bandwidth | Theoretical bandwidth: 171.2Kb/s; practical bandwidth: 100Kbits>X> 20Kbits |
| Transmit power | GSM850/900:<33dBm;GSM1800/1900:<30dBm |
| Receiver sensitivity | <-107dBm |
| Hardware system | |
| Item | Content |
| CPU | Industrial high-performance embedded processor; with cache, high-speed cache data speed up data access, high-speed instruction cache, enhanced instruction processing speed |
| MMU | CPU with MMU memory management unit, can prevent memory overflow |
| Flash | 64Mbits (expandable to 256Mbits) have enough memory to store programs and data (the actual type shall prevail) |
| SDRAM | 256Mbits (expandable to 2048Mbits), a large enough cache to improve system operation speed (the actual type shall prevail) |
| Operating System | |
| Item | Content |
| Operating System | Using LINUX2.6.28 operating system with memory management unit and real-time feature, upgrades is very fast and system is stable |
| Interface Type: | |
| Item | Content |
| Serial port | 1 RS232/RS485 |
| Data bit: 8 bit | |
| Stop bits: 1 bit | |
| Parity:none/odd/ even/blank/MARK | |
| Serial speed: 300bps ~ 115200bps | |
| Flow Control: None flow control, RTS / CTS hardware flow control or XON / XOFF software flow control | |
| GPIO | "RX","TX","GND","RS485A","RS485B","GND","IO1","IO2"(IO reversed) |
| Indicator | With power, ACT communication and online indicator |
| Antenna Interface | Standard SMA female interface,50ohm; optional 3M/5M/10M/15M antenna extension cable, meet the different needs of customers |
| UIM interface | 1.8V/3V/5V standard putter user card interface, built-in 15KV ESD protection |
| Power Interface | block terminal |
| Power supply | |
| Item | Content |
| Supply voltage | Wide voltage design, DC 7V to the DC32V power supply directly to the device; and built-in power supply over-voltage protection and reverse current protection |
| Standard power | DC9V/1.5A |
| supply | |
| Current while Communicating | Average communication current : 350mA @ +9 VDC; |
| Communicating instantaneous peak current: 1.0A @ +9 VDC | |
| Standby current | Standby average current: <35mA @ +9 VDC |
| Physical features: | |
| Item | Content |
| Shell | Metal shell: metal case, anti-radiation, anti-interference; shell and system security isolation, lightning protection design; meet the power requirements of safety regulations; protection rating IP41; particularly suit for harsh industrial control environments |
| Product dimensions | 92x62x22 mm100x63x24.3 mm(not including the antenna and the fixed parts) (the actual type shall prevail) |
| Packing Size | 298x226x60mm (the actual type shall prevail) |
| Weight | 0.41kg (the actual type shall prevail) 0.24kg |
| Other parameters | |
| Item | Content |
| Operating | -25ºC ~+65ºC |
| Temperature | |
| Extended operating temperature | -35 ºC~+75ºC |
| Storage Temperature | -40~+85ºC |
| Relative Humidity | 95%(No condensation) |














