5G Module Series
RM500Q-GL Hardware Design
RM500Q-GL_Hardware_Design 56 / 85
5
RF Characteristic
This chapter mainly describes RF characteristics of RM500Q-GL. The module provides four antenna
interfaces, ANT0, ANT1, ANT2_GNSSL1 and ANT3 and the impedance of them is 50
Ω.
5.1. Cellular Antenna Interfaces
5.1.1. Pin Definition
The pin definition of antenna interfaces is shown below.
Table 30: Pin Definition of RM500Q-GL Antenna Connectors
1.
1)
NR TRX1 = TX MIMO + PRX MIMO; NR DRX1 = DRX MIMO.
2.
2)
LTE UHB frequency range: 3400
–3800 MHz.
Pin Name
I/O
Description
Frequency
ANT0
AIO
Antenna 0 interface:
5G NR:
n41/n77/n78/n79 TRX1
1)
;
LTE:
LMHB TRX & UHB PRX MIMO
2)
WCDMA:
LMHB TRX
600
–5000 MHz
ANT1
AIO
Antenna 1 interface:
5G NR:
n77/n78/n79 DRX0 & n41 TRX0;
LTE:
MHB PRX MIMO & UHB DRX
2)
& LAA PRX
1100
–6000 MHz
ANT2_GNSSL1
AIO
Antenna 2 interface:
5G NR:
n77/n78/n79 DRX1
1)
& n41 DRX0;
LTE:
MHB DRX MIMO & UHB DRX MIMO
2)
& LAA DRX;
GNSS:
L1
1400
–6000 MHz
ANT3
AIO
Antenna 3 interface:
5G NR:
n77/n78/n79 TRX0 & n41 DRX1
1)
;
LTE:
LMHB DRX & UHB TRX;
WCDMA:
LMHB DRX
600
–5000 MHz
NOTE
NOTES