Key Features - Quectel EC200A Series Hardware Design

2.2. Key Features

Table 4: Key Features
Features
Power Supply
SMS
(U)SIM Interface
Audio Features
PCM Interface
I2C Interface
USB Interface
SD Interface
UART Interfaces
Details
⚫
Supply voltage: 3.4–4.5 V
⚫
Typical supply voltage: 3.8 V
⚫
Text and PDU mode.
⚫
Point-to-point MO and MT.
⚫
SMS cell broadcast.
⚫
SMS storage: ME by default.
⚫
Supports (U)SIM card: 1.8/3.0 V
⚫
Supports one digital audio interface: PCM Interface
⚫
GSM: HR/FR/EFR/AMR/AMR-WB
⚫
WCDMA: AMR/AMR-WB
⚫
LTE: AMR/AMR-WB
⚫
Supports echo cancellation and noise suppression.
⚫
Used for audio function with external codec
⚫
Supports 16 format
⚫
Supports short frame
⚫
Supports master and slave modes
⚫
Supports one digital I2C interface.
⚫
Complies with I2C bus protocol specifications
100/400 kHz.
⚫
The multi-host mode is not supported.
⚫
Compliant with USB 2.0 specification (slave only); the data
transfer rate can reach up to 480 Mbps
⚫
Used for AT command communication, data transmission,
software debugging and firmware upgrade
⚫
Supports USB serial driver for Windows 7/8/8.1/10, Linux
2.6–5.14 and Android 4.x–11.x systems
⚫
Supports SD 3.0 protocol.
Main UART:
⚫
Used for AT command communication and data
transmission.
⚫
Baud rate: 115200 bps by default, Max 921600 bps.
⚫
Supports RTS and CTS hardware flow control.
Debug UART:
⚫
Used for the output of partial logs
LTE Standard Module Series