Reference Design Of Rf Antenna Interface - Quectel EG91 Series Hardware Design

WCDMA B4
WCDMA B5
WCDMA B8
LTE-FDD B1
LTE FDD B2
LTE-FDD B3
LTE FDD B4
LTE FDD B5
LTE-FDD B7
LTE-FDD B8
LTE FDD B12
LTE FDD B13
LTE-FDD B20
LTE-FDD B25
LTE-FDD B26
LTE-FDD B28

5.1.3. Reference Design of RF Antenna Interface

Areference design of ANT_MAIN and ANT_DIVantenna pads is shown as below. Aπ-type matching circuit
should be reserved for better RF performance. The capacitors are not mounted by default.
EG91_Hardware_Design
1710~1755
824~849
880~915
1920~1980
1850~1910
1710~1785
1710~1755
824~849
2500~2570
880~915
699~716
777~787
832~862
1850~1915
814~849
703~748
60 / 93
EG91 Hardware Design
2110~2155
869~894
925~960
2110~2170
1930~1990
1805~1880
2110~2155
869~894
2620~2690
925~960
729~746
746~756
791~821
1930~1995
859~894
758~803
LTE Module Series
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz