Amazon.com: D-Link 4G LTE (Cat 4) to Gigabit Ethernet Modem/Bridge, Best for M2M Applications, Supports OpenVPN, Optional Enterprise Service Platform, Works on Verizon or AT&T (DWM-311-B1) : Electronics
DWM-312 4G LTE M2M Router | D-Link
7dBi Sierra Wireless RV50 Router LTE M2M IoT Low Profile Antenna w/NMO Mount Standard - w/ Cable Length Options
PePel H685 4G LTE M2M Router Industrial Grade 4G Router with LAN and WAN Ethernet and N Wireless|router slot cutting bit|router 3grouter booster - AliExpress