GSM & GPRS Modems

GSM and GPRS modems are network hardware devices that send and receive data through radio waves.

GSM and GPRS modems can be PC cards or external units. An external unit is connected to a PC through a serial cable, USB cable, Infrared or Bluetooth. Like GSM and GPRS phones, they require a SIM card from a wireless network provider to operate.

How do GSM and GPRS modems work?

GSM and GPRS modems support an extended set of AT command sets (Attention command sets) used to activate certain features on the modem. The command sets are machine instructions which allow you to do things like:

  • Read, write and delete Short Message Service (SMS) and Multimedia Messaging Service (MMS) messages
  • Monitor signal strength
  • Monitor the charge level and charging status of the battery
  • Send SMS and MMS messages
  • Read, write and search phonebook entries

What are GSM and GPRS modems used for?

GSM and GPRS modems are used to remotely manage installed equipment such as traffic counters and fire alarm panels. Other examples of applications include:

  • Automated meter reading
  • Oil pressure monitoring
  • Vending machines
  • Cable replacement

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Description Price Supported Frequency Bands Interface Antenna Connector SIM Socket Dimensions Weight Depth Height Maximum Operating Temperature Maximum Supply Voltage Minimum Operating Temperature Minimum Supply Voltage Width
RS Stock No. 124-8732
Mfr. Part No.LC400-UMTS
BrandSiretta
$461.23
Each
units
1800 MHz (Quad Band GSM/GPRS), 1900 MHz (Quad Band GSM/GPRS), 2.1 GHz (3G), 850 MHz (Quad Band GSM/GPRS), 900 MHz (Quad Band GSM/GPRS) 20 Way IDE Communication Header, 20 Way IDE Function Header SMA Female Yes 60 x 85 x 24mm - 85mm 24mm +80°C 42V dc -30°C 5V dc 60mm
RS Stock No. 124-8730
Mfr. Part No.LC400-GPRS
BrandSiretta
$309.92
Each
units
1800 (Quad Band GSM/GPRS) MHz, 1900 (Quad Band GSM/GPRS) MHz, 850 (Quad Band GSM/GPRS) MHz, 900 (Quad Band GSM/GPRS) MHz 20 Way IDE Communication Header, 20 Way IDE Function Header SMA Female Yes 60 x 85 x 24mm - 85mm 24mm +80°C 42V dc -30°C 5V dc 60mm
RS Stock No. 124-8733
Mfr. Part No.LC400-UMTS-STARTER KIT
BrandSiretta
$517.48
Each
units
- - - - - - - - - - - - -
RS Stock No. 185-3055
Mfr. Part No.ZETA-NLP-LTEM(GL)
BrandSiretta
$377.24
Each
units
1800 (GSM, GPRS) MHz, 1900 (GSM, GPRS) MHz, 850 (GSM, GPRS) MHz, 900 (GSM, GPRS) MHz RJ12, RS232, SIM Card, SMA Antenna Connector, USB 2.0 SMA Yes 93 x 28 x 67mm 90g 28mm 67mm +85°C 12V -40°C - 93mm
RS Stock No. 164-1323
Mfr. Part No.LT910 E - 06307
BrandTelic
$500.00
Each
units
GPRS, GSM, LTE RS232, USB 2.0 FME Yes 77 x 66 x 26mm 91g 66mm 26mm +80°C 32V -30°C 5V 77mm
RS Stock No. 185-3058
Mfr. Part No.ZETA-NLP-LTEM(GL) Starter kit
BrandSiretta
$487.48
Each
units
1800 (GSM, GPRS) MHz, 1800 (LTE) MHz, 1900 (GSM, GPRS) MHz, 800 (LTE) MHz, 850 (GSM, GPRS) MHz, 900 (GSM, GPRS) MHz, 900 (LTE) MHz - SMA Female Yes 93 x 28 x 67mm 90g 28mm 67mm +85°C 12 (Nominal)V -40°C - 93mm
RS Stock No. 144-4476
Mfr. Part No.T61-EHS5
$265.19
Each
units
1800 (GSM/GPRS/EDGE/GSM) MHz, 2100 (UMTS/HSPA+/UMTS ) MHz, 900 (GSM/GPRS/EDGE/GSM) MHz, 900 (UMTS/HSPA+/UMTS ) MHz RS232, RS485 SMA Female Yes 53 x 70 x 20mm 60g 70mm 20mm +85°C 32V dc -25°C 5V dc 53mm
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