5G Module Series
RM505Q-AE Hardware Design
RM505Q-AE_Hardware_Design 79 / 79
PPP
Point-to-Point Protocol
QMI
Qualcomm MSM (Mobile Station Modems) Interface
RC
Root Complex
RF
Radio Frequency
RFFE
RF Front-End
R/LHCP
Right/Left Hand Circular Polarization
Rx
Receive
SAR
Specific Absorption Rate
SCS
Subcarrier Spacing
SDR
Software-Defined Radio
SIMO
Single-Input Multiple-Output
SMS
Short Message Service
Tx
Transmit
UART
Universal Asynchronous Receiver & Transmitter
UL
Uplink
URC
Unsolicited Result Code
USB
Universal Serial Bus
(U)SIM
(Universal) Subscriber Identity Module
V
IH
Input High Voltage Level
V
IL
Input Low Voltage Level
V
OH
Output High Voltage Level
V
OL
Output Low Voltage Level
WCDMA
Wideband Code Division Multiple Access
WLAN
Wireless Local Area Network
and must not transmit simultaneously with any other antenna or transmitter.
The EUT is a mobile device; maintain at least a 20 cm separation between the EUT and the user's body
energy and how to stay protected against undue risk.
Installation engineers need to be aware of the potential risk of the thermal effects of radio frequency