Color:4 antenna Product specification:Download rate: 150Mbps Upload rate: 50MbpsWireless transmission rate: 300MbpsSupport Band: LTE:B2/B3/B4/B5/B7/B12/B25/B28/B38/B40/B41 WCDMA: B2/B5GSM B2/B3/B5 Carrier : Not compatible with Verizon and SprintSupport AT&T, T-mobile. (Plug and play)Support US Cellular, Cricket Wireless, H2O wireless, Mint Mobile, Google Project Fi, Lycamobile, MetroPCS, Ting, Telcel, Movistar, Digitel, Movilnet (If the SIM card isn’t AT&T or T-mobile. Set its APN before using the router.)Note:Before inserting the SIM card into the router. Make sure the SIM card is activatedWebsite: www.frequencycheck.com. Enter the name of the country and carriers. You can check their band information.How to set the Access Point Names (APN) of the router？Enter the router IP address: 192.168.188.1Click Network—APN—Enable. Modify APN.You can find the APN of the SIM card from the carrier's official website or mobile phone.(For example. Insert the SIM card into your phone. Click on "Wi-Fi & internet - SIM & network - SIM - Access Point Names". You can find APN.)