NB-IoT
Module Series
BC660K-GL Hardware Design
BC660K-GL_Hardware_Design 35 / 57
4
Antenna Interface
The pin 35 is the RF antenna pad. The antenna port has an impedance of 50
Ω.
4.1. Pin Definition
Table 19: Pin Definition of NB-IoT Antenna Interface
Pin Name
Pin No.
Description
ANT_RF
35
RF antenna interface
GND
34, 36, 37
Ground
4.2. Operating Frequency
Table 20: Module Operating Frequency
Frequency Band
Receiving Frequency
Transmitting Frequency
B1
2110
–2170 MHz
1920
–1980 MHz
B2
1930
–1990 MHz
1850
–1910 MHz
B3
1805
–1880 MHz
1710
–1785 MHz
B4
2110
–2155 MHz
1710
–1755 MHz
B5
869
–894 MHz
824
–849 MHz
B8
925
–960 MHz
880
–915 MHz
B12
729
–746 MHz
699
–716 MHz
B13
746
–756 MHz
777
–787 MHz