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PSTN, Dial-Up Modems

By Interfaces -

- Serial TTL, Internal

- RS232, Internal, 12/24/48V

- RS232, Standalone

- USB, Internal

- USB, Standalone

- PC/104

- ISA Bus

 

By Applications -

- Medical Modems

- Contact ID Modems

- Leased-Line Modems

- Bell 202 Compatible

- Speakerphone Modems

 

Wireless Modems

Wi-Fi Modems -

- USB/SMD

- USB

- UART, SPI

Bluetooth Modems

3G Cellular Modems

2.4GHz Transceiver

 

LAN Products

Serial to Ethernet Modules

USB to Ethernet Adapters

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LAN to Serial/Modem Adapter

 

PC/104 Products

PC/104 Modem

PC/104 3G Cellular

PC/104 Wi-Fi

PC/104 LAN

 

Custom Specifications

Build-to-Suit, Wired or Wireless

 

 Embedded Cellular Modems – GSM/GPRS

Embedded Cellular Modems – GSM/GPRS

Available:

 2.5G and 2G only

 Serial TTL, RS232, USB Interface and PC/104 Format

Quad-band GSM 850/900/1800/1900 MHz

-40ºC to +85ºC Operating Temperature

Packet and CSD Data support

SIM Socket on Board

Radicom Research’s GSM900 family are quad-band GSM/GPRS cellular modems that operates on frequencies 850MHz, 900MHz, 800MHz and 1900MHz.  The GSM900 family features GPRS multi-slot class 10 and class 8 optional.  It supports GPRS coding schemes CS-1, 2, 3 and 4.

The GSM900 family consists of a common set of TCP/IP protocols and extended TCP/IP AT Commands allowing developers to easily add wireless communication with minimum development time and expense.

Available in DIP  Serial TTL packaging, PCB mountable RS232, USB interfaces and PC/104 footprints, the GSM900 family is designed to meet the stringent requirements of today’s industrial standard and machine-to-machine (M2M) applications.
  The GSM900 family features -40°C to +85°C extended operating temperatures.

 

Features:

  • Quad-band GSM 850/900/1800/1900 MHz
  • GPRS Class 10 support, Class 8 optional
  • GPRS coding schemes CS-1, 2, 3 and 4
  • -40°C to +85°C operating temperature
  • Packet data up to 85.6K bps
  • Low Power Sleep mode
  • Circuit-Switched Data (CSD) up to 14.4K bps
  • Serial interface supports DTE speeds to 115.2K bps
  • Fax – Group 3, Class 1 Fax support
  • Short Message Service (SMS)
  • MMCX or RPSMA (Model Dependent) antenna connector on board
  • SIM socket on board
  • PBCCH (Packet Switched Broadcast Control Channel) support
  • USSD (Unstructured Supplementary Services Data) support
  • Available in Serial TTL, RS232, USB interfaces and PC/104 format
  • Enhanced AT command set
  • RoHS compliant
  • Certifications: Pending

    • EMC: FCC 22,24, EN 301 489-1, EN 301-489-7

    • RSS 132, 133

Specifications:

Packet Data

GPRS class 10, PBCCH support, coding schemes CS1 to CS4, USSD, PPP-stack

Circuit Switched Data

Asynchronous, non transparent up to 14.4K bps 

Fax

Group 3, Class 1

SMS

Point-to-point MO, MT, SMS cell broadcast, Text and PDU mode

Voice

Full rate (FR), Half rate (HR), Enhanced Full rate (EFR), Hand-free operation

Compatibility

AT cellular command interface

Power Requirement

Model GSM900-SM: 5VDC input
Model GSM900-MBR: 5VDC
Model GSM900-MBU: 5VDC
Model GSM900PC/104: 5VDC

Power Consumption

 

  Idle Mode Online Mode Sleep Mode
GSM900-SM: 29mA 136mA 4mA
GSM900-MBR: 70mA 177mA 49mA
GSM900-MBU: 70mA 177mA 49mA
GSM900-PC/104: 36mA 146mA 13mA

Operating Temperature

-40°C to +85°C  


Ordering Information

Model Number

Description

GSM900-SMGSM900-SM

  • In Radicom’s SlimModem (Conexant’s SocketModem) format

  • Size: 1” x 2.5” x 0.5” (H)

  • Serial TTL interface

  • On-board MMCX antenna connector & SIM socket

GSM900-MBRGSM900-MBR

  • Size: 2.25” x 3.5” x 0.55”

  • RS232 interface

  • On-board RP-SMA connector, SIM socket, audio jacks, power jack

  • PCB mountable

GSM900-MBUGSM900-MBU

  • Size: 2.25” x 3.5” x 0.55”

  • USB interface

  • On-board RP-SMA connector, SIM socket, audio jacks

  • PCB mountable

GSM900-PC/104GSM900-PC/104

  • Size: 3.55” x 3.775” x 0.55”

  • PC104 standard format

  • On-board RP-SMA connector, audio jacks

  • On-board SIM socket

Applications:
  • Appliances

  • ATM Terminals

  • Automotive

  • Data Acquisition

  • Medical Monitoring Systems

  • Remote Monitoring

  • Remote Metering

  • Security Systems

  • Telemetry & Telecontrol

  • Vending Machines

Mechanical Diagram & Pin Assignments - GSM900-SM

GSM900-SM
Note:

  1. Pin 3 to pin 23 and pin 42 to pin 60 are not provided.

  2. Tolerance in mechanical dimension is +/-0.002"

  3. Suggested mating female connectors:

    Through Hole:

    a. Samtec P/N. #SQT-132-01-L-S (RoHS)

     

    SMT:

    a. Samtec P/N. #MMS-132-02-L-SV (RoHS)

Mechanical Diagram & Pin Assignments - GSM900-MBR

GSM900-MBR

Mechanical Diagram & Pin Assignments - GSM900-MBU

GSM900-MBR

Mechanical Diagram & Pin Assignments - GSM900-PC/104

GSM900-PC/104

PC/104 Connector Pin Out
Pin JA1 JB1 JC1 JD1
Number Row A Row B Row C Row D
0 -- -- GND GND
1 IOCHK* GND SBHE* MEMCS16*
2 SD7 RESETDRV LA23 IOCS16*
3 SD6 +5V LA22 IRQ10
4 SD5 IRQ9 LA21 IRQ11
5 SD4 -5V LA20 IRQ12
6 SD3 DRQ2 LA19 IRQ15
7 SD2 -12V LA18 IRQ14
8 SD1 ENDXFR* LA17 DACK0*
9 SD0 +12V MEMR* DRQ0
10 IOCHRDY (KEY) MEMW* DACK5*
11 AEN SMEMW* SD8 DRQ5
12 SA19 SMEMR* SD9 DACK6*
13 SA18 IOW* SD10 DRQ6
14 SA17 IOR* SD11 DACK7*
15 SA16 DACK3* SD12 DRQ7
16 SA15 DRQ3 SD13 +5V
17 SA14 DACK1* SD14 MASTER*
18 SA13 DRQ1 SD15 GND
19 SA12 REFRESH* (KEY) GND
20 SA11 SYSCLK Not Used Not Used
21 SA10 IRQ7
22 SA9 IRQ6
23 SA8 IRQ5
24 SA7 IRQ4
25 SA6 IRQ3
26 SA5 DACK2*
27 SA4 TC
28 SA3 BALE
29 SA2 +5V
30 SA1 OSC
31 SA0 GND
32 GND GND


Note:

  1. Pin spacing is 0.100 inch from center to center.

  2. Dimensions are in inches, +/- 0.005

_________________________________________________________________________________________________________

Information furnished by Radicom Research is believed to be accurate and reliable.  However Radicom Research assumes no responsibility for its use, or any infringement of patents or other rights of third parties which may result from its use.  Radicom Research reserves the right to change circuitry at any time without notice.  This document is subject to change without notice.

The information contained herein is subject to change without notice. Logos, trademarks and copyrights are property of their respective owners.

 

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