Netgear Dual-Band WiFi Range Extender and Router

Please read before asking questions. Thank you so much. Perfect condition just won’t work with my Verizon Business Internet unfortunately just bought them a week or so ago and just assumed they would be compatible but they aren’t. Nighthawk AC1750 Smart WiFi Router (WiFi 5) Model #: R6700 Gaming/Streaming Simultaneous Dual Band WiFi - Tx/Rx 3x3 (2.4GHz) + 3x3 (5GHz) Dual Core Processor Memory 128 MB and 256 MB Ram IPv6 Support (Internet Protocol Version 6) WiFi Range Extender AC750 Model #: EX2800 Extends Coverage up to 600 sq ft. Improves Signal Strength (Speeds up to 750 Mbps performance) Connects More Devices up to 15 devices (laptops, cameras etc) Supports DualBand WiFi Supports FastLane Technology Everything comes with it that is shown in the photos.