Quectel EC200U-CN

LTE Standard Module Series
EC200U_Series_Hardware_Design 58 / 94
4 Antenna Interfaces
EC200U series module provides a main antenna interface, a Wi-Fi Scan/Bluetooth antenna interface and
a GNSS antenna interface. The antenna ports have an impedance of 50 Ω.
4.1. Main Antenna and Wi-Fi Scan/Bluetooth Antenna Interfaces
4.1.1. Pin Definition
The pin definition of main antenna and Wi-Fi Scan/Bluetooth antenna interfaces is shown below.
Table 33: Pin Definition of Antenna Interfaces
Pin Name
Pin No.
I/O
Description
Comment
ANT_MAIN
49
AIO
Main antenna interface
50 Ω impedance.
ANT_BT/WIFI
_SCAN
35
AIO
The shared antenna interface of Wi-Fi
Scan/Bluetooth; Bluetooth and Wi-Fi
Scan cannot be used simultaneously;
Wi-Fi Scan antenna can only receive
but not transmit.
50 Ω impedance.
If unused, keep it open.
EC200U series supports Bluetooth and Wi-Fi Scan functions. Due to the shared antenna interface, the
two functions cannot be used at the same time; Bluetooth and Wi-Fi Scan functions are optional
(supported or not supported simultaneously), please contact Quectel Technical Supports for details.
NOTE