Designed for 5, HAT+ standard design with onboard I2C EEPROM, and supports 40PIN GPIO stackable expansion Extends 3x high-speed USB 3.2 Gen1 ports for connecting more peripherals Onboard M.2(NGFF) Key B slot, supports SIM7600XX-M.2, SIM82XX and RM5XX series 4G/5G modules and is compatible with 3042/3052 packages Onboard Type-C port for connecting to a PC for 4G/5G networking, debugging and firmware updating, or external power supply input Onboard power monitoring chip for real-time measurement of voltage, current and power Onboard SIM card slot for NANO-SIM card Onboard Reset button, Power and Network indicators for easy debugging and monitoring the operating status Comes with customized 5G-4IN1-PCB Antenna for neat wiring management, supports top or bottom installation Reserved airflow vent and mounting holes for cooling fan to increase airflow and provide better heat dissipation Colour:Black Material:Metal + Plastic Package Contents: 1 x PCIe to M.2 4G/5G And USB 3.2 HAT set(Some accessories are randomly sent in different colors and styles, which will not affect the use) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.