This router and wi-fi kit is a universal odu waterproof 4g cpe wifi. The CPE has POE which gives power to the router outside and also return data to your system in the office. The outdoor unit designed with built-in high gain antenna to achieve lte amplification. the water and lightning-proof casing helps for outdoor use of the unit. cellular specification:frequencylte:b1/b2/b3/b7/b8/b20/b28/b38/b40/b41 b1/b2/b3/b5/b7/b8/b28/b38/b40/b41 (optional) b1/b2/b3/b5/b7/b8/b20/b38/b40/b41 (optional) wcdma: 850/900/1900/2100mhz, 850/1700/1900mhz(optional) gsm: 850/900/1800/1900mhz speed(cat4) maxfdd - lte downlink:150mbps, uplink:50mbps tdd-lte: downlink:150mbps, uplink:50mbps