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 Dimensions Weight Depth Height Maximum Operating Temperature Maximum Supply Voltage Minimum Operating Temperature Minimum Supply Voltage Width SIM Socket
RS Stock No. 762-0086
Mfr. Part No.GSM-Q2403
BrandQuasar
MYR564.22
Each
units
900/1800 MHz RS232 SMA 76 x 54 x 25mm 100g 54mm 25mm +55°C 36V dc -20°C 6V dc 76mm Yes
RS Stock No. 124-8729
Mfr. Part No.LC300-UMTS STARTER KIT
BrandSiretta
MYR1,751.76
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) RS232, USB 2.0 SMA Female 34 x 105 (Antenna) mm, 67 x 93 x 28 (Modem) mm - 93mm 28 mm, 105 mm +75 °C, +85 °C 60V dc -40 °C, -30 °C 5V dc 34 mm, 67 mm Yes
RS Stock No. 185-3053
Mfr. Part No.ZETA-N-LTE(EU) STARTER KIT
BrandSiretta
MYR1,981.59
Each
units
1800 (GSM, GPRS) MHz, 1800 (LTE) MHz, 2100 (LTE) MHz, 2100 (UMTS, HSPA+) MHz, 2600 (LTE) MHz, 800 (LTE) MHz, 900 (GSM, GPRS) MHz, 900 (LTE) MHz, 900 (UMTS, HSPA+) MHz - SMA Female 93 x 28 x 67mm 104g 28mm 67mm +85°C 12 (Nominal)V -40°C - 93mm Yes
RS Stock No. 124-8728
Mfr. Part No.LC300-UMTS
BrandSiretta
MYR1,878.40
Each
units
2.1 (3G) MHz RS232, USB 2.0 SMA Female 67 x 93 x 28mm - 93mm 28mm +75°C 42V dc -30°C 6V dc 67mm Yes
RS Stock No. 185-3054
Mfr. Part No.ZETA-NLP-LTEM(EU)
BrandSiretta
MYR1,110.43
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 93 x 28 x 67mm 90g 28mm 67mm +85°C 12V -40°C - 93mm Yes
RS Stock No. 185-3055
Mfr. Part No.ZETA-NLP-LTEM(GL)
BrandSiretta
MYR1,169.77
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 93 x 28 x 67mm 90g 28mm 67mm +85°C 12V -40°C - 93mm Yes
RS Stock No. 185-3056
Mfr. Part No.ZETA-NLP-LTEM(EU) STARTER KIT
BrandSiretta
MYR1,522.84
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 93 x 28 x 67mm 90g 28mm 67mm +85°C 12 (Nominal)V -40°C - 93mm Yes
RS Stock No. 185-3052
Mfr. Part No.ZETA-N-LTE(EU)
BrandSiretta
MYR1,523.49
Each
units
1800 (GSM, GPRS) MHz, 900 (GSM, GPRS) MHz RJ12, RS232, SIM Card, SMA Antenna Connector, USB 2.0 SMA 93 x 28 x 67mm 104g 28mm 67mm +85°C 12V -40°C - 93mm Yes
RS Stock No. 185-3058
Mfr. Part No.ZETA-NLP-LTEM(GL) Starter kit
BrandSiretta
MYR1,553.47
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 93 x 28 x 67mm 90g 28mm 67mm +85°C 12 (Nominal)V -40°C - 93mm Yes