Quectel EC25 Mini PCIe - Antenna Connection; Antenna Connectors

LTE Standard Module Series
EC25 Mini PCIe Hardware Design
EC25_Mini_PCIe_Hardware_Design 38 / 79
5 Antenna Connection
5.1. Antenna Connectors
EC25 Mini PCIe is mounted with three antenna connectors for external antenna connection: a main
antenna connector, an Rx-diversity antenna connector, and a GNSS antenna connector. And Rx-diversity
function is enabled by default. The impedance of the antenna connectors is 50Ω.
5.1.1. Operating Frequency
Table 19: Operating Frequencies
3GPP 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
WCDMA B4
1710~1755
2110~2155
MHz
WCDMA B5
824~849
869~894
MHz
WCDMA B6
830~840
875~885
MHz
WCDMA B8
880~915
925~960
MHz
WCDMA B19
830~845
875~890
MHz
LTE-FDD B1
1920~1980
2110~2170
MHz
LTE-FDD B2
1850~1910
1930~1990
MHz