◎ 樹莓派 CM3 擴充板，商品不含PI CM3 需自備 Raspberry Pi 樹莓派主板
◎ 型式：帶殼 擴展板

◎ System
　　CPU : ARM Cortex-A53 CPU , 1.2 GHz
　　RAM : 1G Bytes SDRAM
　　ROM : 4G/8G/16G/32G Bytes EMMC Flash ROM
　　OS : Linux raspbian 4.14 / GNU/Linux

◎ Ethernet *1 (2nd port optional)
　　Port Type : RJ-45 Connector
　　Speed : 10 /100 M bps ( Auto Detecting )
　　Protocol: ARP, IP, ICMP, UDP, TCP, HTTP, DHCP
　　Protocol: PPPoE , DDNS , NTP , FTP , Telnet
　　Mode : TCP Server / TCP Client / UDP
　　Setup : HTTP Browser (Chrome,Firefox), Console
　　Security : Set up Password
　　Protection : Built-in 1.5KV Magnetic Isolation

◎ Serial Ports *2
　　Port : RS-232/422/485 * 2 Port ( Surge Protect )
　　Speed: 300 bps ~ 921.6 K bps
　　Parity: None , Odd , Even , Mark , Space
　　Data Bit: 5 , 6 , 7 , 8
　　Stop Bit : 1 , 2
　　RS-232 Pins : Rx , Tx , GND
　　RS-422 : Rx+ , Rx- , Tx+ , Tx- ( Surge Protect )
　　RS-485 : Data+ , Data- (Surge Protect, Over current protect ) )
　　15KV ESD for all signals

◎ Mechanical and Environment
　　Operating Temperature : -10℃〜70℃
　　Storage Temperature: -20℃〜80℃
　　Dimensions : 200 * 105 * 30 mm ( W * D * H )
　　Weight : 620 ± 5gm
　　Housing: metal.

◎ Power
　　DC 9~32V, 1000mA, 500mA@12V, support DC Jack & Terminal Input

◎ LED :
　　SYS, EMMC MEMORY R/W, LAN LINK/TRANSMIT.

◎ Other Features
　　Digital Input / Output : 8 / 4
　　HDMI for Video / Audio
　　SPI Interface * 1 on board
　　I2C Interface * 1 port
　　SD Interface : micro SD card ( for storage only )
　　USB ( Host * 2 port ) : for WiFi Dongle , Bluetooth Dongle, Memory Storage
　　USB ( Slave * 1, jumper select for Pi CM3 Initial Image Download )
　　RTC : Real Time Clock * 1
　　Buzzer * 1
　　Mini-PCIE Connector (USB2.0 Interface) – option for 4G / WIFI / BLUETOOTH / LoRa module)