Rf Antenna Reference Design - Quectel BC950N-N1 Hardware Design

B4
B5
B8
B12
B13
B17
B18
B19
B20
B25
B26
B28
B31
B66

4.3. RF Antenna Reference Design

BC950N-N1 provides an RF antenna pad for external NB-IoT antenna connection.

The RF trace on host PCB connected to the module's RF antenna pad should be coplanar
waveguide or microstrip, whose characteristic impedance should be close to 50Ω.

BC950N-N1 comes with ground pads which are next to the antenna pad in order to give a better
grounding.
In order to achieve better RF performance, it is recommended to reserve a π type matching circuit

and place the π-type matching components (R1/C1/C2) as close to the antenna as possible. By
default, the capacitors (C1/C2) are not mounted and a 0Ω resistor is mounted on R1.
A reference design of the RF interface is shown as below.
BC950N-N1_Hardware_Design
2110MHz~2155MHz
869MHz~894MHz
925MHz~960MHz
729MHz~746MHz
746MHz~756MHz
734MHz~746MHz
860MHz~875MHz
875MHz~890MHz
791MHz~821MHz
1930MHz~1995MHz
859MHz~894MHz
758MHz~803MHz
462.5MHz~467.5MHz
2110MHz~2200MHz
LPWA Module Series
BC950N-N1 Hardware Design
1710MHz~1755MHz
824MHz~849MHz
880MHz~915 MHz
699MHz~716MHz
777MHz~787MHz
704MHz~716MHz
815MHz~830MHz
830MHz~845MHz
832MHz~862MHz
1850MHz~1915MHz
814MHz~849MHz
703MHz~748MHz
452.5MHz-457.5MHz
1710MHz~1780MHz
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