GSM9000 RF Solutions, GSM9000 Datasheet - Page 12

• Manufacturer Part Number: GSM9000
• Description: Tri-band Wireless Module Supporting Both GSM And GPRS
• Manufacturer: RF Solutions

Specifications of GSM9000

• No. Of Channels: 2
• Frequency Rf: 1.8GHz
• Module Interface: Serial, UART
• Kit Contents: Module Board Docs
• Tool / Board Applications: Wireless Connectivity-ZigBee, RF, Infrared, USB
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Product Description
Huawei GTM900 GSM/GPRS Wireless Module
1.6.2 Application to Phone-Type Fixed Stations
Figure 1-3 Functional architecture of terminal-type fixed station
When applying GTM900 to a phone-type fixed station, you need a keyboard and LCD.
The external CPU controls the keyboard and LCD.
See Figure 1-4 for the functional architecture of the phone-type fixed station.
Figure 1-4 Functional architecture of phone-type fixed station
ANT
ANT
G
M
T
9
0
0
G
T
M
9
0
0
POWER
POWER
AUDIO
UART
IRDA
IRDA
UART
ADC
SIM
SIM
Huawei Technologies Proprietary
indicator control
Sampling, power-
Power-on and
on/off detection
POWER
IRDA
AUDIO
CPU
POWER
SIM
AUDIO
IRDA
CPU
SIM
1-4
Battery charge/
Serial interface
discharge and
Chapter 1 Overview of GTM900
management
Serial interface
Battery charge/
discharge and
management
KEYPAD
SLIC
LCD