Amazon.com: 4G Router, 4G LTE USB Portable Router Pocket Mobile Network Hotspot USB Modem Wireless Network Smart Router with SIM Card Slot for Car Outdoor : Electronics
Source OEM ODM 4G LTE portable hotspot router mobilink wifi 3s with sim slot cat4 150mbps support b1/3/5/7/8/20/38/40 on m.alibaba.com
Huawei E5573 4G LTE Cat4 Mobile Hotspot [B01MCVO7OC] - $137.99 : Unlocked Cell Phones, GSM, CDMA and More | ElectronicsForce.com
Amazon.com: 4G Outdoor CPE WiFi Router, Yeacomm 3G 4G IP66 LTE CPE Kit | LTE Unit with Sim Card Slot + Indoor AP WiFi Hotspot, 150Mbps CAT4 Mobile WiFi Router,Not for Verizon :