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LTE Standard Module Series
EC20 R2.1 Mini PCIe Hardware Design
EC20_R2.1_Mini_PCIe_Hardware_Design 33 / 51
5
Antenna Connection
5.1. Antenna Connectors
EC20 R2.1 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 50
Ω.
5.1.1. Operating Frequency
Table 19: Operating Frequencies
3GPP Band
Transmit
Receive
Unit
EGSM900
880~915
925~960
MHz
DCS1800
1710~1785
1805~1880
MHz
EVDO/CDMA BC0
824~849
869~894
MHz
WCDMA B1
1920~1980
2110~2170
MHz
WCDMA B8
880~915
925~960
MHz
TD-SCDMA B34
2010~2025
2010~2025
MHz
TD-SCDMA B39
1880~1920
1880~1920
MHz
LTE-FDD B1
1920~1980
2110~2170
MHz
LTE-FDD B3
1710~1785
1805~1880
MHz
LTE-FDD B5
824~849
869~894
MHz
LTE-FDD B8
880~915
925~960
MHz
LTE-TDD B34
2010~2025
2010~2025
MHz
LTE-TDD B38
2570~2620
2570~2620
MHz