SC20-A_Manual_R1.0 Confidential / Released 9 / 49
GNSS Features
GPS/GLONASS/BeiDou
SMS
Text and PDU mode
Point to point MO and MT
SMS cell broadcast
SMS storage: ME by default
AT Commands
Compliant with 3GPP TS 27.007, 27.005 and Quectel enhanced AT
commands
LCM Interface
4 lanes MIPI_DSI, up to 1.5Gbps each
Support WVGA (2 lanes MIPI_DSI), up to 720p (4 lanes MIPI_DSI)
24bit color depth
Camera Interface
Use MIPI_CSI, up to 1.5Gbps per lane, support two cameras
2-lane MIPI_CSI for rear camera, up to 8MP
1-lane MIPI_CSI for front camera, up to 2MP
Audio Interface
Audio input
2 groups analog microphone input, integrate internal bias voltage
Audio output
Class AB stereo headphone output
Class AB earpiece differential output
Class D speaker differential amplifier output
USB Interface
Compliant with USB 2.0 specification; the data transfer rate can reach
up to 480Mbps
Used for AT command communication, data transmission, software
debugging and firmware upgrade
Support USB OTG (Need additional 5V power supply chip)
USB Driver: Support Windows XP, Windows Vista, Windows 7,
Windows 8, Windows CE5.0/6.0*, Linux 2.6/3.0, Android 2.3/4.0/4.2
USIM Interface
2 groups of USIM interface
Support USIM/SIM card: 1.8V, 3.0V
UART Interface
2 groups of UART interface
4-wire UART interface with RTS and CTS hardware flow control
2-wire UART interface for software debugging
Baud rate up to 4Mbps
SDIO Interface
Support SD3.0; 4bit SDIO; SD Card
Support hot plug
I2C Interface
3 groups I2C, used for TP, camera, sensor peripherals, etc.
ADC Interface
Support 3 ADC interfaces,used for input voltage sense, battery
temperature detection and general purpose ADC
Real Time Clock
Implemented
Antenna Interface
MAIN antenna, DRX antenna, GNSS antenna and Wi-Fi/BT antenna
Physical Characteristics
Size: 40.5±0.15 × 40.5±0.15 × 2.8±0.2 mm
Interface: LCC