This router and wi-fi kit is a universal odu waterproof yf-p11k 4g cpe wifi kit. yeacomm 4g wifi kit yf-p11k is divided into two parts (an outdoor lte unit with sim card slot and an indoor unit with wifi function. ) 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. the indoor unit is placed in the room. it is like a normal wireless router with 2 lan ports and wifi. these 2 parts connected by category 5 cable. the indoor supply power to the outdoor unit through poe, while the indoor provides two ethernet ports and wifi. 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