Embedded Cellular Modems – GSM/GPRS
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Available: |
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2.5G and 2G only
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Serial TTL, RS232, USB Interface and PC/104 Format
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Quad-band GSM 850/900/1800/1900 MHz |
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-40ºC to +85ºC Operating Temperature |
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Packet and CSD Data support |
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SIM Socket on Board |
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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
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Certifications: Pending
Specifications:
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Packet Data
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GPRS class 10, PBCCH
support, coding schemes CS1 to CS4, USSD,
PPP-stack
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Circuit Switched Data
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Asynchronous, non
transparent up to 14.4K bps
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Fax
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Group 3, Class 1
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SMS
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Point-to-point MO, MT,
SMS cell broadcast, Text and PDU mode
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Voice
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Full rate (FR), Half
rate (HR), Enhanced Full rate (EFR),
Hand-free operation
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Compatibility
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AT cellular command
interface
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Power Requirement
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Model GSM900-SM: 5VDC
input
Model GSM900-MBR: 5VDC
Model GSM900-MBU: 5VDC
Model GSM900PC/104: 5VDC
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Power Consumption
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Idle Mode |
Online Mode |
Sleep Mode |
| GSM900-SM: |
29mA |
136mA |
4mA |
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GSM900-MBR: |
70mA |
177mA |
49mA |
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GSM900-MBU: |
70mA |
177mA |
49mA |
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GSM900-PC/104: |
36mA |
146mA |
13mA |
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Operating Temperature
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-40°C to +85°C
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Ordering Information
Model Number |
Description |
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GSM900-SM
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In
Radicom’s
SlimModem
(Conexant’s
SocketModem)
format
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Size: 1”
x 2.5” x
0.5” (H)
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Serial
TTL
interface
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On-board
MMCX
antenna
connector
& SIM
socket
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GSM900-MBR
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Size:
2.25” x
3.5” x
0.55”
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RS232
interface
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On-board
RP-SMA
connector,
SIM
socket,
audio
jacks,
power
jack
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PCB
mountable
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GSM900-MBU
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-
Size:
2.25” x
3.5” x
0.55”
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USB
interface
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On-board
RP-SMA
connector,
SIM
socket,
audio
jacks
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PCB
mountable
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GSM900-PC/104
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Applications:
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Remote
Monitoring -
Remote Metering
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Security Systems
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Telemetry &
Telecontrol
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Vending Machines
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Mechanical Diagram & Pin Assignments - GSM900-SM 
Note:
Pin 3 to pin 23 and pin 42 to pin 60 are not provided. -
Tolerance in mechanical dimension is +/-0.002"
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Suggested mating female connectors:
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Through Hole: |
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a. Samtec P/N. #SQT-132-01-L-S (RoHS) |
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SMT: |
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a. Samtec P/N. #MMS-132-02-L-SV (RoHS) |
Mechanical Diagram & Pin Assignments - GSM900-MBR 
Mechanical Diagram & Pin Assignments - GSM900-MBU 
Mechanical Diagram & Pin Assignments - 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:
Pin spacing is 0.100 inch from center to center. -
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. ^Back to top |
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