UMTS/HSPA+ Module Series
UG89 Hardware Design
UG89_Hardware_Design 44 / 73
4
Antenna Interface
UG89 includes a GSM/UMTS antenna interface. The RF interface has a 50
Ω impedance.
4.1. GSM/UMTS Antenna Interface
4.1.1. Pin Definition
The pin definition of the RF antenna is shown below.
Table 21: Pin Definition of RF Antenna
4.1.2. Operating Frequency
Table 22: Module Operating Frequencies
Band
Transmit
Receive
Unit
GSM850
824~849
869~894
MHz
EGSM900
880~915
925~960
MHz
DCS1800
1710~1785
1805~1880
MHz
PCS1900
1850~1910
1930~1990
MHz
WCDMA B1
1920~1980
2110~2170
MHz
WCDMA B2
1850~1910
1930~1990
MHz
Pin Name
Pin No.
I/O
Description
Comment
GND
61
Ground
GND
62
Ground
ANT_MAIN
63
IO
RF antenna pad
50
Ω impedance
GND
64
Ground
GND
65
Ground