Product Info

LTE Module Series
EC21 Hardware Design
EC21_Hardware_Design
9-93
/ 105
PCB
Printed Circuit Board
PDU
Protocol Data Unit
PPP
Point-to-Point Protocol
QAM
Quadrature Amplitude Modulation
QPSK
Quadrature Phase Shift Keying
RF
Radio Frequency
RHCP
Right Hand Circularly Polarized
Rx
Receive
SGMII
Serial Gigabit Media Independent Interface
SIM
Subscriber Identification Module
SIMO
Single Input Multiple Output
SMS
Short Message Service
TDD
Time Division Duplexing
TDMA
Time Division Multiple Access
TD-SCDMA
Time Division-Synchronous Code Division Multiple Access
TX
Transmitting Direction
UL
Uplink
UMTS
Universal Mobile Telecommunications System
URC
Unsolicited Result Code
USIM
Universal Subscriber Identity Module
Vmax
Maximum Voltage Value
Vnorm
Normal Voltage Value
Vmin
Minimum Voltage Value
V
IH
max
Maximum Input High Level Voltage Value
V
IH
min
Minimum Input High Level Voltage Value