Welcome to the store! Fully compatible with Raspberry Pi 4/3/2/B+ models with a 40-pin GPIO header. Clip-on Mini PCI-E socket compatible with global LTE, UMTS/HSPA+, and GSM/GPRS/EDGE coverage, supporting regional or global modules that work with various frequencies and carriers. Features a NANO SIM card slot, easily accessible from the top of the HAT. Can be used independently with a PC/laptop via micro USB without stacking with the Raspberry Pi. Offers high efficiency and low standby power consumption, with a power supply circuit supporting up to 3 Amperes. Item Type: 3G/4G LTE Base Cap Operating Temperature: -40℃ ~ 80℃ Compatible with: Asus Tinker motherboard Rock 64 Samsung ARTIK motherboard Latte Panda Applicable for Sierra: AirPrime MC Series Applicable for Telit: LM960, LE910V2, HE910, LE910Cx Applicable for Huawei: ME909s-120, ME909s-821, etc. Applicable for Simcom: SIM7100, SIM7230, etc. Applicable for ZTE: ZM8620, etc. For U-Blox: MPCI-L2 Series For Thales: PLS62W, mPLS8, mPLAS9 Dimensions: Approx. 85 x 55 mm / 3.3 x 2.2 inches Package List: 1 x 3G/4G LTE Dock 1 x USB 2.0 to Micro USB Cable 1 x Screwdriver 1 x Accessory Bag 1 x User Manual Package Weight: Approx. 200g. Satisfaction Guarantee: Customer satisfaction is our top priority. If you encounter any issues after receiving the product, such as damage or incorrect quantity, please contact us immediately. We will do our best to provide you with satisfactory customer service.