User's Manual
Manuals
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Quectel Wireless Solutions Manuals
Electronics
GSM/GPRS Module
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Table Of Contents
2.2 Serial interfaces
2.3.1 Antenna installation
2.3.2 RF output power
2.3.3 RF receiving sensitivity
2.3.4 Operating frequencies
2.3.5 Recommended impedance matching circuit
3.2.3 Software Specification
T
‐
type
matching
circuit
π
‐
type
matching
circuit
NOTE: The impedance o
f traces in Bold typ
e must be 50
Ω
.
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