Service Guide

LTE Standard Module Series
EC200U_Series_Hardware_Design 11 / 94
⚫ FDD: Max. 10 Mbps (DL), Max. 5 Mbps (UL)
⚫ TDD: Max. 8.96 Mbps (DL), Max. 3.1 Mbps (UL)
GSM Features
GPRS:
⚫ Supports GPRS multi-slot class 12
⚫ Coding scheme: CS-1, CS-2, CS-3 and CS-4
⚫ Max. 85.6 kbps (DL)/Max. 85.6 kbps (UL)
Internet Protocol
Features
⚫ Supports TCP/UDP/PPP/NTP/NITZ/FTP/HTTP/PING/CMUX/HTTPS/
FTPS/SSL/FILE/MQTT/MMS protocols
⚫ Supports PAP and CHAP for PPP connections
SMS
⚫ Text and PDU mode
⚫ Point to point MO and MT
⚫ SMS cell broadcast
⚫ SMS storage: Stored in (U) SIM card and ME, stored in ME by default
(U)SIM Interface
⚫ Supports USIM/SIM card: 1.8/3.0 V
⚫ Supports DSDS
Audio Features
⚫ Supports one analog audio input and one analog audio output
⚫ GSM: HR/FR/EFR/AMR/AMR-WB
⚫ Supports echo cancellation and noise suppression
USB Interface
⚫ Compliant with USB 2.0 specification (slave mode only); the data
transfer rate can reach up to 480 Mbps
⚫ Used for AT command communication, data transmission, software
debugging, firmware upgrade
⚫ Supports USB serial drivers for Windows 7/8/8.1/10, Linux 2.6–5.12,
Android 4.x–11.x, etc.
UART Interfaces
Main UART:
⚫ Used for AT command communication and data transmission
⚫ Baud rates reach up to 921600 bps; 115200 bps by default
⚫ Support MAIN_RTS and MAIN_CTS hardware flow control
Debug UART:
⚫ Used for Linux console and log output
⚫ 921600 bps baud rates
⚫ Can only be used as a debugging UART, not a general UART
Auxiliary UART
I2C Interfaces
⚫ Two I2C interfaces
SPI Interface
⚫ SPI interface only supports master mode
SD Card Interface
⚫ SD 2.0 protocol compliant
WLAN Application
Interface*
⚫ Supports SDIO 1.1 interface for WLAN function
LCD Interface
⚫ LCD interface supporting SPI mode
Matrix keyboard
⚫ Support 4 × 4 matrix keyboard