Features: Brand new and high quality Unleash the full potential of your device with this advanced 3G and 4G Base HAT, providing seamless internet access and expanding possibilities. With compatibility for a wide ranges of Mini PCIe Modules and Boards, this Base HAT offer versatility and flexibility for various projects. Designed for enthusiasts and hobbyists, this Base HAT empowers users to create innovative applications, establish remote connections, and access high speed internet. Whether you're building a home automation system, setting up remote monitoring, or working on electronics projects, this Base HAT provides reliable and fast internet, making it an essential tool. Experience the convenience of controlling the LED and fan separately, ensuring optimal cooling and avoiding discomfort during nighttime use. Take your projects to the next level with this feature packed Base HAT! Specifications: Material:PCB Package Includes: 1x 3G 4G LTE Base HAT note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!