Product Info

LTE Standard Module Series
EC21_Series_Mini_PCIe_Hardware_Design
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5
Antenna Connection
5.1. Antenna Connectors
EC21 series 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
The following table shows the operating frequencies of EC21 series Mini PCIe.
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 B8 880–915 925–960 MHz
LTE-FDD B1 1920–1980 2110–2170 MHz
LTE-FDD B2 1850–1910 1930–1990 MHz