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 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.