GSM900 RF Solutions, GSM900 Datasheet - Page 22

• Manufacturer Part Number: GSM900
• Description: MODEM PCB MOUNTING DUAL BAND
• Manufacturer: RF Solutions

Specifications of GSM900

• Frequency: 900MHz, 1.8GHz
• Modulation Or Protocol: GSM, GPRS
• Data Interface: Connector, 40 Pin Header
• Operating Temperature: -40°C ~ 70°C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Package / Case: -
• Voltage - Supply: -
• Power - Output: -
• Applications: -
• Sensitivity: -
• Memory Size: -
• Data Rate - Maximum: -
• Antenna Connector: -
• Current - Transmitting: -
• Current - Receiving: -

Product Description
Huawei GTM900 GSM/GPRS Wireless Module
Figure 4-1 Connection between audio input signals and output signals on first channel
Figure 4-2 Connection between audio input signals and output signals on secon
channel
The maximum power of the audio signals output to the 32 Ω loudspeaker on the first
channel is 33 mW, and that of the audio signals output to the 1 kΩ loudspeaker on the
second channel is 4 mW.
Note:
Huawei Technologies Proprietary
4-3
Chapter 4 Interface Application
d