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Digi EX12 Cellular Extender with Cat 4 LTE Modem with Remote Mounting Kit | Includes POE Injector

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Item Number: 13358
Model: EX12-R004-OUS
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Manage Your Network Your Way Remote device management: network-wide updates, data insights and control. Digi Remote Manager delivers centralized visibility and automates processes at your command, with actionable 24/7 remote monitoring.
Digi RM Subscriptions - details

Digi EX12 LTE cellular extender is an affordable, scalable failover solution that enables you to retrofit your infrastructure for cellular network access. With a carrier-certified, embedded LTE Cat 4 cellular modem, equipped with dual SIM slots, Digi EX12 provides uninterrupted primary or backup connectivity. It protects against downtime by automatically switching to a secondary cellular carrier should the primary SIM lose Internet access. This compact, high-performance device is also compatible with any dual-WAN networking appliance and helps you achieve reliable connectivity at any location using your existing equipment.

Couple the Digi EX12 with a dedicated wireline ISP connection to maximize uptime and ensure reliable network availability for POS systems, ATMs, mobile kiosks, digital signage, and more. Deployments are streamlined with installation accessories including an optional Remote Mounting Kit with a disposable battery pack for site survey, mounting bracket, and a passive PoE injector for optimizing placement for the best cellular reception.

Digi EX12 can be securely monitored and managed with Digi Remote Manager®, a cloud-based solution that facilitates setup, mass configuration, and support for Digi and third-party devices. Digi Remote Manager lets you evaluate, update and configure your Digi enterprise routers and gateways — and the health of your network — at scale, after deployment.

  • Model: Digi® EX12 without Remote Mounting Kit
  • FirstNet Ready™
  • Base hardware: (2) RJ-45 Ethernet, (1) RJ-45 RS-232
  • Cellular network: LTE Cat 4: B2, B4, B5, B12, B13, B14, B66, B71; 3G: B2, B4, B5; Transfer rate (max): 150 Mbps down, 50 Mbps up
  • Remote management: Digi Remote Manager®
  • Included accessories: antennas, power supply
  • Optional accessories: site survey battery, PoE injector, mounting accessories

What's in the box?

  • Digi EX12 with Remote Mounting Kit — 2-port 10/100; RJ-45, RS-232; US and Canada, LTE / HSPA+ Cat 4; Cellular certifications: PTCRB, US: AT&T, FirstNet Capable™, T-Mobile, US Cellular, Verizon; Canada
  • Power supply — 18 V PSU power supply with barrel jack connector (76002112)
  • Site survey battery — Temporary batter pack, 9 V with 152.4 mm power lead, 2.1 mm barrel connector (560083)
  • PoE injector — 10/100 base-T passive PoE adapter, green (500170)
  • Cables -
    • 4 meter flat Cat 6 Ethernet cable, white (440084)
    • 0.5 meter flat Cat 6 Ethernet cable, white (440091)


  • CERTIFICATIONS Visit for latest certifications
  • EX12 R004-OUS LTE: B2, B4, B5, B12, B13, B14, B66, B71; 3G: B2, B4, B5; Transfer rate (max): 150 Mbps down, 50 Mbps up
  • CONNECTORS (2) 50 Ω SMA (center pin: female)
  • SIM SLOTS (2) Mini-SIM (2FF); software selectable and hardware switchable


  • REMOTE MANAGEMENT Digi Remote Manager; SNMP v3 (user installed/managed), encrypted SMS
  • MANAGEMENT / TROUBLESHOOTING TOOLS FTP client, SCP; protocol analyzer with PCAP for Wireshark; event logging with Syslog and SMTP client; NTP/SNTP
  • MEMORY 256 MB RAM, 512 MB flash
  • PORTS (2) RJ-45; 10/100 Mbps (auto-sensing)


  • PORTS (1) RS-232 (RJ-45)


  • DIMENSIONS (L x W x H) 127 mm x 127 mm x 25 mm (5.0 in x 5.0 in x 1.0 in)
  • WEIGHT 0.24 kg (8.25 oz)
  • STATUS LEDs LAN (link = solid, flashing = act), WAN (link = solid, flashing = act), LTE, 5 signal
  • ENCLOSURE Plastic


  • OTHER Includes PSU, cables, antennas, and optional Remote Mounting Kit: temporary battery, passive PoE injector, mounting bracket, and accessories (see part number for details); Note: only the Digi-supplied power supply and passive PoE injector are recommended for use with Digi EX12


  • OPERATING TEMPERATURE 0° C to 40° C (32° F to 104° F)
  • RELATIVE HUMIDITY 5% to 95% (non-condensing)


  • CELLULAR PTCRB; US: AT&T, Verizon; Canada
  • EMISSIONS / IMMUNITY FCC Part 15, Subpart B, Class A; CE, RCM; CAN ICES-3(B)/NMB-3(B)



*Standard 3-year warranty upgradeable to 5 years with the purchase of a Digi Remote Manager Premier 5-year subscription applicable to the product purchased only at the time of product purchase and with product registration at that time in Digi Remote Manager.


No. of Cellular Connectors 2
No. of WiFi Connectors 0
No. of GPS Connectors 0
Cellular Connector SMA Female
No. of LAN Ports 1
No. of WAN Ports 1
No. of Fiber (SFP) Ports 0
No. of Serial Ports 1
No. of Embedded Modems 1
Ports Configurable as LAN/WAN Yes
WAN Throughput Speed 100 MBps
SIM Card Size 2FF
Length (in) 5
Width (in) 5
Height (in) 1
Weight (lb) 0.5
Minimum Temperature (F) 32
Maximum Temperature (F) 104
Material Plastic
Antennas Included Yes
Modem Expansion Slot No
Modem Replaceable No
FIPS Certified No
Cloud Management Included No
Power Input 18 VDC 1 A
Bluetooth No
Bonding Support Yes
IP Passthrough Yes

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Purchasing this product gets you access to the following exclusive 5Gstore resources:
Digi Remote Manager Setup Guide 06/19/2024
Port Forwarding - Troubleshooting Checklist 12/15/2021
How to Locate Your Local IP Address 08/10/2015
Troubleshooting Ethernet Modems 06/07/2017
Chain 2 Routers Tip Sheet 09/29/2015
Dynamic DNS Tip Sheet 09/03/2015
IP Camera Router Tip Sheet 09/02/2015
How to Find Your Device(s)' Local IP address 06/02/2015
Testing Ports with Telnet Tip Sheet 02/24/2015
Using a Router to Block Access to your Home Modem 02/24/2015
A Custom Appearance For Your SSID
Windows/Mac Static IP Address Tip Sheet 11/24/2014

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