Our strength lies in our proficient team of engineers and dexterous workforce, helps us in manufacturing and supplying RTU Modem. It is used in all kinds of remote monitoring and controlling application. We manufacture this modem under the firm guidance of expert supervisors using high quality materials and components. It is applicable in most system integrators and automation engineering. Highly demanded in the market, this RTU Modem comes in different specifications. We offer this modem at affordable prices.
Features:
Model No. | CM550-51G(GPRS) |
Cellular Parameters: | |
Item | Content |
Cellular | GPRS/GSM |
Standards and Frequency Bands | Support EGSM900/GSM1800MHz dual band, GSM800/900/1800/1900MHz four band (optional). Support GSM phase 2/2+ Support GPRS multi-slot class 10. Class 12(optional) |
Coding Scheme | CS1~CS4 |
Communication Bandwidth | the theory of broadband 171.2Kb the actual broadband 100Kbits>X>20Kbits/s |
Transmit Power | GSM850/900<33dBm, GSM1800/1900<30dBm |
Receiver Sensitivity | <-107dBm |
Hardware system: | |
Item | Content |
CPU | Industrial CPU-stable and reliable performance |
MMU | CPU with MMU memory management unit, can prevent memory overflow exception |
Flash | 64Mbits, a large enough memory to store programs and data |
SDRAM | 256Mbits, a large enough cache to improve system operation speed |
Operating System: | |
Item | Content |
Operating System | Using LINUX2.6 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 serial port (supports RS422/TTL) |
Data bits: 5,6,7,8 bit | |
Stop bits: 1, 1.5,2 bit | |
Parity: none, odd , even , space and mark | |
Baudrate: 110bps ~ 115200bps | |
Ethernet | 1xLAN(One 10/100 Base-T Ethernet ports), Ethernet IEEE 802-3, 802-2; built-in 1.5KV magnetic isolation protection.(optional) |
USB | 1xUSB, USB2.0, HOST interface, speed at 12Mbps (optional) |
Indicator | POWER, Link / ACT COMM and ONLINE |
Antenna Interface | Standard SMA female interface, 50 ohm; 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 interface,power supply over-voltage protection and reverse current protection. |
Analog input | Resolution:16 bit,input voltage(-10V-+10V),input current(0-20mA),sampling rate(1.365kSPS),Accuracy0.5% or better |
Switch input | Input range(0-3.3V low level,5-30V high level)conatins all the way count function(1KHz) |
Relay output(dry contact) | Drive ability 5A/30VDC,5A/250VAC |
Optocoupler digital output | Open collector output,Max 30V,max current 40mA,Max power 125mW |
Optocoupler PWM output | Open collector output,Max 30V,max current 40mA,Max power 125mW,output frequency 0-1KHz,adjustable duty cycle |
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 supply | DC9V/1.5A |
Current while Communicating | Average communication current :200mA @ +9 VDC; |
Communicating instantaneous peak current: 1.0A @ +9 VDC | |
Standby current | Standby average current 0.15A@+9VDC |
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 IP30; particularly suit for harsh industrial control environments. |
Product Dimensions | 167*104*26mm(not including the antenna and the fixed parts) |
Packing Size | 350*215*88mm |
Weight | 0.52Kg |
Other parameters: | |
Item | Content |
Operating Temperature | -25oC ~+75oC |
Storage Temperature | -40~+85oC |
Relative Humidity | 95%(No condensation) |
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