CLM920_NC3_LTE Module Hardware User Guide
Shang Hai YUGE Information Technology co., LTD
Page 5 of 37
Chapter 1. Introduction
This document is a wireless solution product CLM920_NC5 Mini PCIE module hardware interface
manual, designed to describe the hardware components and functional characteristics of the module
solution product, application interface definition and usage instructions, electrical and mechanical
characteristics, etc., for user-based application development of the product Provide hardware instructions.
Abbreviation:
ADC
Analog-Digital Converter
AFC
Automatic Frequency Control
AGC
Automatic Gain Control
ARFCN
Absolute Radio Frequency Channel Number
B2B
Board to Board Connector
BER
Bit Error Rate
CDMA
Code Division Multiple Access
DAI
Digital Audio interface
DAC
Digital-to-Analog Converter
DSP
Digital Signal Processor
DTR
Data Terminal Ready
EFR
Enhanced Full Rate
EMC
Electromagnetic Compatibility
EMI
Electro Magnetic Interference
ESD
Electronic Static Discharge
EVDO
Evolution Data Only
FR
Full Rate
GPRS
General Packet Radio Service
HR
Half Rate
IMEI
International Mobile Equipment Identity
ISO
International Standards Organization
PLL
Phase Locked Loop
PPP
Point-to-point protocol
RAM
Random Access Memory
ROM
Read-only Memory
RTC
Real Time Clock
SMS
Short Message Service
UART
Universal asynchronous receiver-transmitter
UIM
User Identifier Management
USB
Universal Serial Bus
VSWR
Voltage Standing Wave Ratio