Quectel BG77 - GNSS Antenna Interface

LPWA Module Series
BG77 Hardware Design
BG77_Hardware_Design 52 / 76
5 Antenna Interfaces
BG77 includes a main antenna interface and a GNSS antenna interface. The antenna ports have an
impedance of 50Ω.
5.1. Main Antenna Interface
5.1.1. Pin Definition
The pin definition of main antenna interface is shown below.
Table 30: Pin Definition of Main Antenna Interface
5.1.2. Operating Frequency
Table 31: BG77 Operating Frequency
Pin Name Pin No. I/O Description Comment
ANT_MAIN 26 IO Main antenna interface 50Ω characteristic impedance
3GPP Band Transmit Receive Unit
LTE-FDD B1 1920~1980 2110~2170 MHz
LTE-FDD B2 1850~1910 1930~1990 MHz
LTE-FDD B3 1710~1785 1805~1880 MHz
LTE-FDD B4 1710~1755 2110~2155 MHz
LTE-FDD B5 824~849 869~894 MHz
LTE-FDD B8 880~915 925~960 MHz
LTE-FDD B12 699~716 729~746 MHz