User Guide
Page 121
... list in the field are listed below. TL-MR3420 3G/3.75G Wireless N Router Appendix E: Compatible 3G/3.75G USB Modem The UMTS/HSPA/EVDO USB modems we've tested in our website: http://www.tp-link.com. Compatible 3G/3.75G USB Modem (Tested in the field) HUAWEI ZTE NOVATEL NOKIA ONDA ALCATEL 4G SYSTEM CSL SAMSUNG EC169, E156, E156C...
... list in the field are listed below. TL-MR3420 3G/3.75G Wireless N Router Appendix E: Compatible 3G/3.75G USB Modem The UMTS/HSPA/EVDO USB modems we've tested in our website: http://www.tp-link.com. Compatible 3G/3.75G USB Modem (Tested in the field) HUAWEI ZTE NOVATEL NOKIA ONDA ALCATEL 4G SYSTEM CSL SAMSUNG EC169, E156, E156C...