UMTS/HSPA Module Series
UG95 Hardware Design
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4
Antenna Interface
The Pin 60 is the RF antenna pad. The RF interface has an impedance of 50
Ω.
4.1. GSM/UMTS Antenna Interface
4.1.1. Pin Definition
Table 18: Pin Definition of the RF Antenna
Pin Name
Pin No.
I/O
Description
Comment
GND
58
ground
GND
59
ground
RF_ANT
60
IO
RF antenna pad
50
Ω impedance
GND
61
ground
GND
62
ground
4.1.2. Operating Frequency
Table 19: The Module Operating Frequencies
Band
Receive
Transmit
Unit
EGSM900
925 ~ 960
880 ~ 915
MHz
DCS1800
1805 ~ 1880
1710 ~ 1785
MHz
UMTS2100
2110 ~ 2170
1920 ~ 1980
MHz
UMTS1900
1930 ~ 1990
1850 ~ 1910
MHz
UMTS900
925 ~ 960
880 ~ 915
MHz
UMTS850
869 ~ 894
824 ~ 849
MHz
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