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5
RF Characteristics
This chapter mainly describes RF characteristics of the module.
5.1. Cellular Antenna Interfaces
5.1.1. Pin Definition
The pin definition of antenna interfaces is shown below.
Table 29: RM520N-GL Pin Definition of Antenna Interfaces
Pin
I/O
Description
Name
Antenna 0 interface:
5G NR:
-
ANT0
AIO
-
-
LTE: LB TX0/PRX & MHB TX0
WCDMA: LMB TRX
Antenna 1 interface:
5G NR:
-
ANT1
AIO
-
-
LTE: MHB PRX MIMO & UHB PRX MIMO & LAA PRX
GNSS: L5
Antenna 2 interface:
5G NR:
ANT2
AIO
-
-
-
14
MHB TRX1 will be active when supporting Sub 2.6 GHz EN-DC.
RM520N-GL_Hardware_Design
Refarmed: LB TX0 /PRX & MHB TX0
UHB TX1/DRX
n41 TX0/PRX
n77/n78/n79 TX1/DRX
Refarmed: MHB PRX MIMO & UHB PRX MIMO
n41 PRX MIMO
n77/n78/n79 PRX MIMO
14
Refarmed: MHB TX1
n41 TX1/DRX MIMO
n77/n78/n79 TX0/PRX
14
/PRX &
14
/PRX & UHB TX1/DRX
/ DRX MIMO &UHB TX0/PRX
5G Module Series
Comment
LB: 617–960 MHz
MHB: 1452-2690 MHz
UHB: 3400–3800 MHz
n77/n78: 3300-4200 MHz
n79: 4400–5000 MHz
LAA: 5150-5925 MHz
56 / 84
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