Product Info

LTE Standard Module Series
EM05-G Hardware Design
EM05-G_Hardware_Design 50 / 69
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
5.1.2. Operating Frequency
Table 24: Module Operating Frequencies
Antenna Pin Name
I/O
Description
Comment
ANT_MAIN
AIO
Main antenna interface:
⚫ LTE: TRx
⚫ WCDMA: TRx
50 Ω impedance
ANT_DRX/ANT_GNSS
AI
Rx-diversity/GNSS antenna interface:
⚫ LTE: DRx
⚫ WCDMA: DRx
⚫ GNSS: L1
50 Ω impedance
3GPP Band
Transmit
Receive
Unit
WCDMA B1
1920–1980
2110–2170
MHz
WCDMA B2
1850–1910
1930–1990
MHz
WCDMA B4
1710–1755
2110–2155
MHz
WCDMA B5
824–849
869–894
MHz
WCDMA B6
830–840
875–885
MHz