Clip-on Mini PCIe slot compatible with global LTE, UMTS/HSPA+ and GSM/GPRS/EDGE coverage, with regional or global modules that work with different frequencies and carriers. NANO SIM card slot is located above the HAT and is easily accessible. Can be used standalone with PC/laptop via micro-USB, without stacking with for Raspberry Pi. High-efficiency low quiescent current power supply circuit can withstand up to 3Amps. Operating temperature range: -40℃-80℃ Product Introduction: Pi-3G-4G-LTE-HAT 3G/4G and LTE Base HAT for Raspberry/for Asus Tinker Board/for Samsung ARTIK/for Rock64 Media/for Liber computer boards. Product Description: Fully compatible with for Raspberry Pi models with 40-pin GPIO header (5, 4, 3, 2, B+). Compatible with Mini PCIe modules from the following brands: For Quectel: EC25/EC21/EC20/UC20/LTE-EP06 For Sierra: AirPrime MC series For Telit: LM960, LE910V2, HE910, LE910Cx For Huawei: ME909s-120, ME909s-821, etc. For Simcom: SIM7100, SIM7230, etc. For ZTE: ZM8620, etc. For U-Blox: MPCI-L2 series For Thales: PLS62W, mPLS8, mPLAS9 Compatible with the following motherboards: For Raspberry Pi 5, 4, 3, 2, B+ For ASUS Tinker Board For Rock 64* For Samsung ARTIK motherboard For Latte Panda Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use. Colour:Black Material:PCB Package Contents: 1 * Extended board Kit(Accessories color and appearance are random, no specification is accepted)