session World wide circuit m2m modem plus Compliance to Almost dead candidate
USR :: USR3500 M2M 3G Cellular Modem
M2m Industrial Cellular 3g 4g Lte Modem Router With Ethernet Vpn Wifi Sim Card Slot Serial Rs232 Rs485 Port - 3g/4g Routers - AliExpress
ETM Purple – 4G Serial Modem - Etmiot
Option CloudGate M2M Cellular Gateway with Embedded Global 3G/4G/LTE Modem (Power/Antennas Sold Separately)
iTWire - D-Link aims at M2M market with DWM-315
M2m Industrial Cellular 3g 4g Lte Modem Router With Ethernet Vpn Wifi Sim Card Slot Serial Rs232 Rs485 Port - 3g/4g Routers - AliExpress
D-Link 4G LTE (Cat 4) to Gigabit Ethernet Modem/Bridge - Best for M2M – D-Link Systems, Inc
DWM-312 4G LTE M2M Router | D-Link
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