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. 762-0086
Mfr. Part No.GSM-Q2403
BrandQuasar
HK$674.14
Each
units
900/1800 MHz RS232 SMA Yes 76 x 54 x 25mm 100g 54mm 25mm +55°C 36V dc -20°C 6V dc 76mm
RS Stock No. 185-3054
Mfr. Part No.ZETA-NLP-LTEM(EU)
BrandSiretta
HK$1,808.09
Each
units
GPRS) MHz, 850 (GSM, 900 (GSM, 1800 (GSM, 1900 (GSM 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. 176-7068
Mfr. Part No.LC300-N2-GPRS
BrandSiretta
HK$2,380.62
Each
units
850 MHz, 900 MHz, 1800 MHz, 1900 MHz - SMA Female Yes 67 x 28 x 93mm - 28mm 93mm +85°C 42V dc -40°C 5V dc 67mm
RS Stock No. 185-3056
Mfr. Part No.ZETA-NLP-LTEM(EU) STARTER KIT
BrandSiretta
HK$2,393.24
Each
units
GPRS) MHz, 800 (LTE) MHz, 850 (GSM, 900 (GSM, 900 (LTE) MHz, 1800 (GSM, 1800 (LTE) MHz, 1900 (GSM - SMA Female Yes 93 x 28 x 67mm 90g 28mm 67mm +85°C 12 (Nominal)V -40°C - 93mm
RS Stock No. 124-8733
Mfr. Part No.LC400-UMTS-STARTER KIT
BrandSiretta
HK$2,776.03
Each
units
- - - - - - - - - - - - -
RS Stock No. 185-3055
Mfr. Part No.ZETA-NLP-LTEM(GL)
BrandSiretta
HK$2,023.66
Each
units
GPRS) MHz, 850 (GSM, 900 (GSM, 1800 (GSM, 1900 (GSM 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. 176-7069
Mfr. Part No.LC300-N2-GPRS STARTER KIT
BrandSiretta
HK$2,702.04
Each
units
850 MHz, 900 MHz, 1800 MHz, 1900 MHz - SMA Female Yes 67 x 28 x 93mm - 28mm 93mm +85°C 42V dc -40°C 5V dc 67mm
RS Stock No. 185-3058
Mfr. Part No.ZETA-NLP-LTEM(GL) Starter kit
BrandSiretta
HK$2,615.09
Each
units
GPRS) MHz, 800 (LTE) MHz, 850 (GSM, 900 (GSM, 900 (LTE) MHz, 1800 (GSM, 1800 (LTE) MHz, 1900 (GSM - SMA Female Yes 93 x 28 x 67mm 90g 28mm 67mm +85°C 12 (Nominal)V -40°C - 93mm
RS Stock No. 124-8732
Mfr. Part No.LC400-UMTS
BrandSiretta
HK$2,474.23
Each
units
2.1 GHz (3G), 850 MHz (Quad Band GSM/GPRS), 900 MHz (Quad Band GSM/GPRS), 1800 MHz (Quad Band GSM/GPRS), 1900 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. 124-8728
Mfr. Part No.LC300-UMTS
BrandSiretta
HK$2,413.88
Each
units
2.1 (3G) MHz RS232, USB 2.0 SMA Female Yes 67 x 93 x 28mm - 93mm 28mm +75°C 42V dc -30°C 6V dc 67mm
RS Stock No. 124-8734
Mfr. Part No.ZEST-N-UMTS (EU)
BrandSiretta
HK$1,267.23
Each
units
900 / 2100 MHz RS232, USB 2.0 SMA Female Yes 83.7 x 75.2 x 30.6mm 105g 75.2mm 30.6mm +85°C 21V dc -40°C 6V dc 83.7mm
RS Stock No. 124-8737
Mfr. Part No.LC200-UMTS (EU) STARTER KIT
BrandSiretta
HK$2,374.81
Each
units
- - - - - - - - - - - - -
RS Stock No. 125-8172
Mfr. Part No.M1003G-02
HK$1,568.98
Each
units
900 MHz, 2100 MHz Micro-Fit 4-Pin Connector, RS232C on 15-Pin D-Sub Connector, SMA Antenna Connector SMA Yes 62.8 x 60 x 21.8mm 90g 60mm 21.8mm +75°C 32V dc -30°C 5V dc 62.8mm
RS Stock No. 185-3052
Mfr. Part No.ZETA-N-LTE(EU)
BrandSiretta
HK$2,625.22
Each
units
GPRS) MHz, 900 (GSM, 1800 (GSM RJ12, RS232, SIM Card, SMA Antenna Connector, USB 2.0 SMA Yes 93 x 28 x 67mm 104g 28mm 67mm +85°C 12V -40°C - 93mm
RS Stock No. 124-8730
Mfr. Part No.LC400-GPRS
BrandSiretta
HK$1,750.03
Each
units
850 (Quad Band GSM/GPRS) MHz, 900 (Quad Band GSM/GPRS) MHz, 1800 (Quad Band GSM/GPRS) MHz, 1900 (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. 164-1323
Mfr. Part No.LT910 E - 06307
BrandTelic
HK$2,750.00
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. 176-7059
Mfr. Part No.ZETA-N2-GPRS STARTER KIT
BrandSiretta
HK$1,715.33
Each
units
850 MHz, 900 MHz, 1800 MHz, 1900 MHz - - Yes 68 x 28 x 93mm 101g 28mm 93mm +85°C 42V dc -40°C 5V dc 68mm
RS Stock No. 176-7072
Mfr. Part No.ZETA-N2-GPRS
BrandSiretta
HK$1,461.05
Each
units
850 MHz, 900 MHz, 1800 MHz, 1900 MHz - - Yes 68 x 28 x 93mm 101g 28mm 93mm +85°C 42V dc -40°C 5V dc 68mm
RS Stock No. 124-8736
Mfr. Part No.LC200-UMTS(EU)
BrandSiretta
HK$2,452.76
Each
units
2100 (3G) MHz RS232, USB 2.0 SMA Female - 84 x 75 x 31mm - 75mm 31mm +75°C 21V dc -30°C 5V dc 84mm
RS Stock No. 185-3053
Mfr. Part No.ZETA-N-LTE(EU) STARTER KIT
BrandSiretta
HK$3,193.48
Each
units
GPRS) MHz, HSPA+) MHz, 800 (LTE) MHz, 900 (GSM, 900 (LTE) MHz, 900 (UMTS, 1800 (GSM, 1800 (LTE) MHz, 2100 (LTE) MHz, 2100 (UMTS, 2600 (LTE) MHz - SMA Female Yes 93 x 28 x 67mm 104g 28mm 67mm +85°C 12 (Nominal)V -40°C - 93mm
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