The Digi EX12 LTE cellular extender is an affordable, scalable failover solution designed to retrofit infrastructure for cellular network access. It features an embedded LTE Cat 4 cellular modem with dual SIM slots to ensure uninterrupted primary or backup connectivity by automatically switching carriers if the primary connection fails. The device includes two 10/100 Mbps Ethernet ports and one RS-232 serial port (RJ-45) for out-of-band management. The EX12-R004-OUS model comes with the Digi 360 solution (1-year subscription), a remote mounting kit including a site survey battery, passive PoE injector, power supply, antennas, and mounting accessories. It is compatible with any dual-WAN networking appliance and is centrally managed via Digi Remote Manager.
| RoHS |
Compliant |
| Memory |
256 MB RAM, 512 MB FlashMB |
| Weight |
0.24kg |
| LTE Bands |
B2, B4, B5, B12, B13, B14 (FirstNet), B66, B71 |
| SIM Slots |
2 x Mini-SIM (2FF)Slots |
| Power Input |
18 VDC, 1 AVDC |
| Serial Port |
1 x RS-232 (RJ-45)Port |
| Ethernet Ports |
2 x RJ-45 (10/100 Mbps auto-sensing)Ports |
| Cellular Connectors |
2 x 50 Ohm SMA (Center pin: female) |
| Cellular Technology |
LTE Cat 4, HSPA+ |
| Maximum Uplink Rate |
50Mbps |
| Emissions / Immunity |
FCC Part 15 Subpart B Class A, CE, RCM, CAN ICES-3(B)/NMB-3(B) |
| Maximum Downlink Rate |
150Mbps |
| Operating Temperature |
0 to 40°C |
| Cybersecurity Standard |
FIPS 140-2 |
| Dimensions (L x W x H) |
127 x 127 x 25mm |
| Cellular Certifications |
PTCRB, AT&T, Verizon, FirstNet Trusted, T-Mobile, US Cellular |