LTE Standard Module Series
EC200T Series Hardware Design
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4 Antenna Interfaces
EC200T series antenna interfaces include a main antenna interface, an Rx-diversity antenna interface
which is used to resist the fall of signals caused by high speed movement and multipath effect. The
antenna ports have an impedance of 50 Ω.
4.1. Main/Rx-diversity Antenna Interfaces
4.1.1. Pin Definition
The pin definition of main antenna and Rx-diversity antenna interfaces is shown below.
Table 26: Pin Definition of RF Antennas
Pin Name Pin No. I/O Description Comment
ANT_DIV
35 AI
Diversity antenna interface
50 Ω impedance
If unused, keep it open.
ANT_MAIN 49 IO Main antenna interface 50 Ω impedance
4.1.2. Operating Frequency
Table 27: EC200T-CN Operating Frequencies
3GPP Band Transmit Receive Unit
EGSM900 880–915 925–960 MHz
DCS1800 1710–1785 1805–1880 MHz
WCDMA B1 1920–1980 2110–2170 MHz
WCDMA B5 824–849 869–894 MHz
WCDMA B8 880–915 925–960 MHz
LTE-FDD B1 1920–1980 2110–2170 MHz
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