Smart Module Series
SC20_Series_Hardware_Design 19 / 133
Downlink coding schemes: MCS 1–9
Uplink coding schemes: MCS 1–9
Max. 296 kbps (DL)/Max. 236.8 kbps (UL)
WLAN Features
Supports 2.4 GHz and 5 GHz frequency bands
Supports 802.11a/b/g/n, maximally up to 150 Mbps
Supports AP and STA modes
Bluetooth Feature Bluetooth 4.2 LE
GNSS Features GPS/BeiDou/GLONASS or GPS/BeiDou/Galileo
SMS
Text and PDU mode
Point-to-point MO and MT
SMS cell broadcast
SMS storage: ME by default
LCM Interface
Supports one 4-lane MIPI_DSI, up to 1.5 Gbps/lane
Supports WVGA (2-lane MIPI_DSI), up to 720P (4-lane MIPI_DSI)
24-bit color depth
Camera Interfaces
Supports two MIPI_CSI (2-lane + 1-lane), up to 1.5 Gbps/lane
Supports two cameras:
2-lane MIPI_CSI for rear camera, maximum pixel up to 8 MP
1-lane MIPI_CSI for front camera, maximum pixel up to 2 MP
Video Codec
Video encoding:
720P (H.264) @ 30 fps; WVGA (MPEG-4/VP8) @ 30 fps
Video decoding:
1080P (H.264/MPEG-4/VP8/H.265/DivX4/5/6) @ 30 fps; WVGA (H.263)
@ 30 fps
Audio Interfaces
Audio inputs:
Two analog microphone inputs, integrating internal bias voltage
Audio outputs:
Class AB stereo headphone output
Class AB earpiece differential output
Class D speaker differential amplifier output
Audio Codec HR, FR, EFR, AMR, AMR-WB
USB Interface
Compliant with USB 2.0 specification
Supports up to 480 Mbps
Supports USB OTG (an external 5 V power supply is needed)
Used for AT command communication, data transmission, software
debugging and firmware upgrade
(U)SIM Interfaces
Two (U)SIM interfaces
Supports USIM/SIM card: 1.8 V or 2.95 V
Supports Dual SIM Dual Standby (supported by default)
UART Interfaces
Two UART interfaces: UART1 and UART2
UART1: 4-wire UART interface with RTS/CTS hardware flow control;
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