Rf Characteristics; Cellular Antenna Interfaces; Connector Definition; Operating Frequency - Quectel EM05-G Hardware Design

5

RF Characteristics

5.1. Cellular Antenna Interfaces

EM05-G is mounted with three 2 × 2 mm antenna connectors for external antenna connection: a main
antenna connector, a Rx-diversity antenna connector, and a GNSS antenna connector. The impedance of
the antenna connectors is 50 Ω.

5.1.1. Connector Definition

Table 23: EM05-G Connector Definition of Antenna Interfaces
Antenna Pin Name
ANT_MAIN
ANT_DRX/ANT_GNSS

5.1.2. Operating Frequency

Table 24: Module Operating Frequencies
3GPP Band
WCDMA B1
WCDMA B2
WCDMA B4
WCDMA B5
WCDMA B6
EM05-G_Hardware_Design
I/O Description
Main antenna interface:
AIO ⚫ LTE: TRx
⚫ WCDMA: TRx
Rx-diversity/GNSS antenna interface:
⚫ LTE: DRx
AI
⚫ WCDMA: DRx
⚫ GNSS: L1
Transmit
1920–1980
1850–1910
1710–1755
824–849
830–840
LTE Standard Module Series
EM05-G Hardware Design
Comment
50 Ω impedance
50 Ω impedance
Receive
2110–2170
1930–1990
2110–2155
869–894
875–885
Unit
MHz
MHz
MHz
MHz
MHz
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