Single Board Computer Extension Board
• Wide Range Input Power (DC 9 ~ 32V)
• Multiple I/O Interfaces (see pin assignment)
• M.2 key B for 5G (optional)
• M.2 key M for PCIe SSD / AI (optional)
• Mini-PCIe (for 4G/NB-IoT/LoRa)
* Raspberry Pi is a trademark of the Raspberry Pi Foundation.

• For embedded with Raspberry Pi CM4
• Wide Range Input Power (DC 9 ~ 32V)
• Multiple I/O Interfaces (see pin assignment)
• M.2 key B for 5G (optional)
• M.2 key M for PCIe SSD / AI (optional)
• Mini-PCIe (for 4G/NB-IoT/LoRa)
* Raspberry Pi is a trademark of the Raspberry Pi Foundation.
Connectivity
• 5G
M.2 key B USB 3.0 / PCI-E for 5G (optional)
• 4G
Mini-PCIe : USB 2.0 for 4G / NB-IoT / LoRa
(optional)
Nano SIM Slot for 5G / 4G / NB-IoT
• Ethernet
10/100/1000 Mbps Giga Lan * 1 (RJ45)
10/100Mbps * 1 (RJ45)
Wifi 802.11b / g / n / ac (2.4/5GHz) (optional)
Interface
USB 3.0 * 2, USB 2.0 * 2I2C *1 (on PCB)
SPI *1 (on PCB)
PWM * 2 (on PCB)
M.2 key M for PCIe SSD (optional)
Serial Port
Port 1: RS-232/422/485 * 1
Port 2: RS-232/485 * 1
Others
RTC : Real Time Clock * 1 (with Battery)Buzzer * 1Watch Dog TimerReset Button * 1MIPI CSI 2-lane * 1 (optional)Fan - DC 12V (optional)
Digital Input / Digital Output
• Digital Input * 1 Pin (Active High / Active Low Selectable)
Dry contact : Logic level 0 : close to GND,
Logic level 1 : open
Wet contact : Logic level 0 : 0 ~ 3 V,
Logic level 1 : 10 ~ 30 V
• Digital Output * 1 Pin (Active High / Active Low Selectable)
Relay 120VAC @0.5A, 240VAC @0.25A, 30VDC @1A
Video Output
Micro HDMI * 1 (4Kp60fps with audio)
Mechanical and Environment
Operating Temperature: -20℃〜75℃
Storage Temperature : -25℃〜80℃
Dimensions : 170 * 110 * 30 mm ( W * D * H )
Weight : 950 gm
Housing: metal
Power
DC 9~32V, 1000mA@12V (DC Jack or Terminal Input)
LED
PI PWR / EMMC / Serial / DI / DO
SYS-Customer defined / 5G / 4G
Order Information
WPC-632-PI CM4-EB-B ( for M.2 KEY B )
WPC-632-PI CM4-EB-M ( for M.2 KEY M )
Warranty
- Warranty period : 1 year.