GSM9000 RF Solutions, GSM9000 Datasheet - Page 22

• 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
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