Amazon.com: HOSAYA LR311 4G LTE WiFi Modem with Built-in Battery Portable 4G Router with SIM Card Slot High Speed Portable Travel Hotspot Mini Router Unlocked 4G mifi : Electronics
DIY Battery powered wireless AP with 4G LTE modem for reliable Capture Pilot and internet access on location, and potentially wireless monitors too : r/Photoassistants
SIM WIFI Dongle, High Speed Internet Low Power Consumption Battery Life 4G USB Modem For Notebook For Laptop Europe - Walmart.com
Amazon.com: Tenda 4G Mobile Hotspot, 4G LTE Cat4 150Mbps MiFi Device, 4G Router, Support USB Interface Charging|2100 MAh Battery, No Configuration Required (4G185), Black : Electronics