Antenna Interfaces; Main Antenna Interface; Pin Definition; Operating Frequency - Quectel EG915U Series Hardware Design

5

Antenna Interfaces

EG915U series module provides a main antenna interface, a Bluetooth/Wi-Fi Scan antenna interface. The
impedance of antenna ports is 50 Ω.

5.1. Main Antenna Interface

5.1.1. Pin Definition

Table 24: Pin Definition of RF Antennas
Pin Name
ANT_MAIN
ANT_BT/WIFI_SCAN
⚫
NOTE
Only passive antennas are supported.

5.1.2. Operating Frequency

Table 25: Operating Frequency of EG915U-CN
Operating Frequency
EG915U_Series_Hardware_Design
Pin No. I/O
60 AIO
56 AIO
Transmit (MHz)
Description
Main antenna interface
The shared interface for
Bluetooth and Wi-Fi Scan
LTE Standard Module Series
Comment
50 Ω impedance.
Bluetooth and Wi-Fi
Scan cannot be used
simultaneously; Wi-Fi
Scan can only
receive but not
transmit.
50 Ω impedance.
If unused, keep it
open.
Receive (MHz)
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