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High Power Mobile Router for AT&T and FirstNet® Networks

Regions: U.S. Only
Carrier: AT&T / FirstNet
Bands: 2, 4, 5, 12, 14, 17, 29, 30, 66
Kits: MegaFi Mobile, MegaFi Fixed

SHIELD MegaFi High Power User Equipment (HPUE) mobile routers for critical communications are the highest power modems available. SHIELD MegaFi features FirstNet MegaRange™ technology and is available only for use on AT&T and FirstNet networks.

Highest Power, Best Price. Contact us to Save.

6x the Uplink Power for Critical Communications

Extend Network Coverage Beyond Reach of Standard Devices

  • Rural areas
  • Valleys, woodlands, mountains, and other areas with traditionally weak signals
  • Offshore
  • Dense urban areas (building shadows)

Increase Building Penetration
Maintain connectivity inside modern structures and underground

Use for Voice and Data
Reliable stream / upload critical information from virtually anywhere

SHIELD MegaFi for First Responders

  • Law Enforcement
    • Receive Calls
    • On-Scene Communications
  • Firefighters
    • Receive Calls
    • Wildfires
  • Rural EMS / Emergency Transport
  • Offshore Patrol
  • Call Centers (PSAPs, 9-1-1)

Applications for Essential Workers

  • Medical Staff
    • Hospital and Clinic Staff
  • Disaster Response
    • Telemedicine
    • Insurance
    • NGOs
    • Governmental Agencies
  • Critical Infrastructure Assessment and Repair
    • Water
    • Electric
    • Oil & Gas
  • Mail / Package / Supplies Delivery Drivers

Applications for Enterprises

HPUE connectivity provides enterprises with the most reliable backup connection possible. Any enterprise with critical communication needs, especially in locations with traditionally weak signals, will benefit from SHIELD MegaFi. Use cases include support for:

  • Transactions
  • Equipment and/or process monitoring
  • Data transfer
  • Security – access control and surveillance

Connectivity for Critical Communications

SHIELD MegaFi is Part of the Nextivity 360° Public Safety Coverage

SHIELD MegaFi Mobile

Vehicle mounted unit provides coverage on-the go

SHIELD MegaFi Fixed

Fixed unit improves signal at specific location

No-Cost Cloud-Based Device Management

MegaPortal is free software that enables users to remotely and track all their SHIELD MegaFi devices. This is helpful for those managing multiple HPUE-equipped vehicles or facilities. The portal address is

On the device, Mission Control software provides a GUI for device management and situational awareness. It features:

  • An easy-to use, menu driven system
  • Access to all key modem parameters:
    • Band Information
    • TX Power
    • RX Parameters

With Mission Control, you can update Custom APN, advanced firewall rules, MTU size, and other modem and router parameters.

SHIELD MegaFi, with AT&T FirstNet MegaRange technology, is a next-gen HPUE product with an enriched feature set vs. the SHIELD AW12. The new features include:

  • Adding Wi-Fi to ease integration with external systems when appropriate
  • Addition of a specialized GPS chip for more precise and reliable location information
  • Shipping with recommended antennas to streamline installation

About the SHIELD MegaFi


The Highest Powered Mobile Router for Critical Communications

MegaFi is the highest-powered mobile router available. It can boost cellular transmission strength by up to 6x, so users can maintain critical connectivity throughout more of their areas of operation than ever before.

Features and benefits include:

  • FirstNet Trusted™ device
  • Significantly increase coverage in rural and dense urban areas
  • Five port Ethernet router
  • GPS and location base services
  • Wi-Fi hotspot
  • Intuitive graphical user interface for easy configuration
  • Internet routing capability

The MegaFi is an all in one, cloud-supported, and SD-WAN capable mobile, Wi-Fi router. This certified FirstNet Trusted™ device works on AT&T and FirstNet Band 14 and is available in both a Fixed and Mobile configuration. The box includes the antenna and power cables based on your configuration, and the MegaFi router has an integrated, ruggedized mount for easy installation.


Hardware Specifications
LTE CategoryCat 12 modem
Peak D/LUp to 600 Mbps
Peak U/LUp to 150 Mbps
4G LTE1900(B2), AWS(B4), 850(B5), 700(B12), 700(B14), 700(B17), 700(B29), 2300(B30), 1700(B66)
ApprovalsFCC, PTCRB, Wi-Fi Alliance
CarrierAT&T/ FirstNet
Host Interfaces
5 Gigabit RJ-45 Ethernet ports 1 WAN & 4 LAN
1 SIM Slot 3FF MicroSIM
4 SMA antenna connectors 1 Band 14, 1 primary cellular, 1 diversity cellular, 1 GPS
2 RP-SMA antenna connectors Dual band Wi-Fi
Band Support Dual Band 2.4/5 GHz 2×2 MIMO 802.11 a/b/g/n/ac
Recommended Maximum Users 32 clients
Security Protocols WPA2 (PSK, EAP), WPA3 (EAP, SEA)

Mission Control Software Notes

As part of our ongoing commitment to serve our customers, please see the below information about the software contained on your Nextivity SHIELD MegaRange device, including the AW12 and MegaFi.

If you have any questions, please email our support team at [email protected]m. If you have any questions about the security on your device, please contact [email protected].

Outbound and Inbound Connections From and To Your Device
The following outbound and inbound connections are made from and/or to the device:

Outbound Connections From Your Device:

HTTPS to cloud

(TCP, port 443)

For modem data

DNS queries to Google

(UDP, port 53)

For domain resolution

NTP queries to

(UDP, port 23)

For network time for clock)

GPS information, in NMEA/TAIP formats, is available to be transmitted outbound, but requires enablement and requires configuring both the port and protocol. GPS outbound transmissions are OFF by default.

Inbound Connections To Your Device:


(UDP port 67)


(UDP port 53)


(TCP port 80, redirect to HTTPS)


(TCP port 53)

SSH is also available as an inbound connection. SSH inbound traffic is rejected (and is OFF) by default and must be enabled prior to use.

Security Patches Commitment
As part of our ongoing commitment to security, Nextivity will continue to provide security updates for the model of the device for a period of 1 year after the last date that model is sold.

Software General Support Information
Nextivity has a long standing policy of not charging for software used in its hardware. Therefore, there are currently no license fees or other fees required to use of the Mission Control software for your SHIELD MegaFi and AW12 devices. Should that change, Nextivity will provide 90-days notice of any change in its current pricing structure.

Also, Nextivity, should it be necessary to do so, will provide an end-of-life notice for the AW12 and MegaFi products 45 days prior to the date at which those products will no longer be sold. We will notify you based on the latest email registered with us based on your acceptance of the End User License Agreement when you logged into your device. Please note that software patches and security support will be available for only one year after the date the model was last sold by Nextivity.

Installation Support

For additional installation support contact Nextivity Support:

Email: [email protected]
Phone: +1 (858) 485-9442 OPTION 1

Get More Power!

Upgrade your connectivity for critical communications with the highest-power routers on the market. Equip your team and critical operations with a reliable signal in more places than ever before.

Read more about Nextivity HPUE technology here.

Nextivity SHIELD HPUE products are available for purchase by FirstNet users through authorized sellers.

FirstNet and the FirstNet logo are registered trademarks and service marks of the First Responder Network Authority. All other marks are the property of their respective owners.

Nextivity SHIELD MegaFi routers are considered a Power Class 1 (PC1) device and are authorized for UP TO 1.25W, compared to traditional devices that are Power Class 3 that can reach up to 0.2W. Wattage may vary based on network variables and Band 14 availability. As of 2/15/2024, MegaFi is currently the only router in the United States classified as PC1.