Cudy LT500 Dual Band Unlocked 4G LTE AC1200 Modem Router with 1200Mbps Mesh WiFi 5dBi High Gain Antennas and SIM Card Slot: Technical Details of the Product Category: 4G LTE 150 Mbps download and 50 Mbps upload speeds WiFi Speed at 5GHz Up to 867 Mbps WiFi Speed at 2.4GHz: Up to 300 Mbps Fixed Antennas 4 x 5 dBi SIM Slot One SIM slot AT&T, T-Mobile, and Cellular Frequency Band compatibility 4G-LTE-FDD: