Model Number :
K-A311D Motherboard
Supply Ability :
100+pcs+day
Packaging Details :
135mm* 90mm* 9mm
Tiltle :
Smart IoT K-A311D Motherboard with 5T computing power 4GB of RAM and 128GB of storage
CPU :
Amlogic A311D, quad-core Cortex-A73+ dual-core Cortex-A53 up to 2.2GHz
NPU :
Support 5.0Tops computing power
RAM :
Standard 2GB LPDDR4, 4GB optional
ROM :
Standard 16GB EMMC, up to 128GB
LVDS :
30Pin dual-channel LVDS interface, supporting up to 1080P resolution
HDMI :
HDMI 2.1 interface (Optional), supporting up to 4K resolution
MIPI :
31Pin FPC MIPI-DSI interface, supporting up to 1920* 1200 resolution (Choose one from MIPI and LVDS)
Headphone/ MIC :
Four-stage 3.5mm headphone/ microphone socket
Line Output :
Left and right channel stereo line output
MIC Input :
Differential MIC input
Amplifier Output :
8 Ohm 6W Dual Audio Amplifier Output
USB Host :
2 external USBs (USB 3.0x 1 and USB 2.0x 1), 7 built-in USBs (USB 3.0 and USB 2.0x 6)
USB OTG :
1 MicroUSB OTG interface, built-in pin header
TF Card :
Self-elastic TF card socket, supports 256GB TF card
Serial ports :
1-way TTL/RS485, 2-way TTL/RS232, 4-way TTL/RS232 expansion
RTC :
Low power consumption RTC circuit with CR1220 battery
12C :
2-way I2C interface
Backlight :
1-way Backlight control interface, supports switch and brightness adjustment
GPIO :
8-way GPIO signals
Infrared :
Infrared receiving pin header
Button :
Burn button and power button
Pilot lamp :
Red standby indicator and green working indicator light
POE :
1-way POE power receiving interface
Ethernet :
1-way 10/100/1000Mbps adaptive Ethernet
WiFi :
High-performance WiFi, support 802.11 b/g/n/ac
Bluetooth :
High-performance Bluetooth, supports BT V4.0
4G/3G :
1-way MiniPCI-E4G interface, can expand 4G/3G modules, onboard self-ejecting Micro-SIM card holder
DC input :
12V DC socket, supports 9V-15V wide voltage input
Structure compatible :
Compatible with K-A311D、K-S905、K-3655structure and interchangeable
Operating temperature :
-20℃~70℃
Humidity :
0%~95%(No condensation)
Android system :
Recommend Android 9.0