Antenna Interface; Gsm/Umts Antenna Interface; Pin Definition; Operating Frequency - Quectel UG89 Hardware Design

4

Antenna Interface

UG89 includes a GSM/UMTS antenna interface. The RF interface has a 50Ω 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
Pin Name Pin No.
GND 61
GND 62
ANT_MAIN 63
GND 64
GND 65

4.1.2. Operating Frequency

Table 22: Module Operating Frequencies
Band
GSM850
EGSM900
DCS1800
PCS1900
WCDMA B1
WCDMA B2
UG89_Hardware_Design
I/O Description
Ground
Ground
IO RF antenna pad
Ground
Ground
Transmit
824~849
880~915
1710~1785
1850~1910
1920~1980
1850~1910
UMTS/HSPA+ Module Series
UG89 Hardware Design
Comment
50Ω impedance
Receive
869~894
925~960
1805~1880
1930~1990
2110~2170
1930~1990
Unit
MHz
MHz
MHz
MHz
MHz
MHz
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