Cappello Raspberry Pi 3G 4G per Raspberry Pi 2B / 3B / 3B+ / 4B / ZERO / ZERO W
1 x RPi 4G 3G Hat. 4 x M2.5 Copper Pillar. Mini PCI-E Socket for LTE 4G/3G Module throuth USB interface. 4 x M2.5 Screws. Product Features Nano SIM card slot, supports 1.8V/3V SIM card. Technical Support.