Amazon.com: Pronto PP14 4G LTE 300Mbps Unlocked Router with SIM Card Slot for All US LTE Bands. Supports T-Mobile, AT&T and Their MVNOs. Connector for External LTE Antenna for Long Range :
Amazon.com: Dionlink 4G LTE Router with SIM Card Slot Unlocked for Wireless Internet WiFi Hotspot, Support T-Mobile AT&T | 4 Antenna & WLAN Port | Up to 300Mbps Speed | Connect Up
Amazon.com: TP-Link N300 Wireless Extender, Wi-Fi Router (TL-WR841N) - 2 x 5dBi High Power Antennas, Supports Access Point, WISP, Up to 300Mbps : Electronics