Onboard USB 3.2 Type-C port for connecting to Raspberry Pi or PC for 5G networking, firmware updating, and external power supply input. Built-in UART communication interface for data transmission and other functions with some modules Onboard 4-ch IPEX 4 to SMA antenna connector for direct mounting of antennas. Onboard voltage translator circuit, supports 5 ~ 12V power supply via DC 3.5mm jack, or 5V / 2A power supply via USB 3.2 port Onboard 1-ch standard SIM card slot, 1-ch eSIM card slot in QFN-8 (5x6) package, dual card single standby, switchable via AT command. Onboard power supply and network indicators for checking working status of the module and 5G debugging Aluminum alloy enclosure with oxidation dull-polish surface, CNC process opening, solid and durable, desktop or wall-mount support Rich WiKi Resources: We provide official Wiki resources, please visit our store and click the wiki page to get resources. The RM530N-GL currently does not have Verizon or AT&T certification. If you need these certifications, please select RM520N-GL Waveshare 5G DONGLE Expansion Board, USB 3.2 Port, Aluminum Alloy Case, Quad Antennas, Onboard M.2 Key B Interface, Comes with the Qualcomm RM530N-GL 5G Sub-6G & mmWave Module, Global Applicable