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best 2G Modems
#1
>>| E-Lins Industrial CDMA Modem
E-Lins CDMA modems mainly covers 2G CDMA1x and 3G CDMA2000.  
For single sim CDMA modem, the main model is M300 and M400.
ModelSim Slot QuantityModule QuantityPortOthers
M30011USB
M40011USB, Serial
>>| Hot Spot
Built-in 2G CDMA industrial cellular modules, insert SIM/UIM card to work directly;
Built-in UIM card slot, supporting nam-flashing (non-uim card);
SIM failover/standby APN;
CDMA failover for fixed line broadband connections;
Support At command;
USB or serial port;
>>| Typical Diagram
>>| Specification of Industrial CDMA Modem
Wireless
Mobile NetworksCDMA1x
Cellular FrequencyCDMA1x: 800/1900Mhz or 450Mhz optional
Data
BandwidthCDMA1x: Downlink/Uplink 153.6kbps;
Notes: the bandwidth is peak value. Real value depends on carrier network support.
Interface
Antenna50Ω SMA female interface *3, external detachable;
Antenna for Main Cell, MIMO Cell, GPS
LedPower indicator
Data indicator
UIM/SIM1.8V/3V
USB /SerialUSB 2.0 female, serial RS232
Power
Power supplyM300: DC5V-40V, option is DC5V-50V / DC5V-60V, typical DC9V1A or 12V1A or 12V2A;
M400: DC5V-27V
Power consumptionPeak: 700mA@+9VDC
Average: 85mA@+9VDC
Idle: 30mA@+9VDC
Software
OSWindows;
Mac OS;
Linux;
Android;
Other OS with USB port;
At commandSupport at command;
Packed with GUI software
Physical
Operating TemperatureWork temperature: -30°C to 70°C option for -30°C to 80°C
Storage temperature: -40°C to 85°C
Humidity95% Maximum (Non-condensing)
DimensionsItem (L x B x H): 87mm*50mm*23mm
Packaging (L x B x H): 102*70*23mm
PCBA: 84mm*48mm*20mm
Weight150g (not including accessories and package)
Electromagnetic compatibilityanlistatig test: Class 3
Radio electromagnetism test: Class 3
Others
Warranty1 Year, can extend up to 5 years
Package ContentsThe M300 Industrial CDMA Modem
USB cable / Serial cable
Power Adapter
Antenna
CD-ROM with Product Documentationbest 2G Modems
website:http://www.link3g4gs.com/wireless-modems/2g-modems/.
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