Ubiquiti U5G UniFi 5G Backup PoE RedCap Modem System
Reliable 5G Connectivity for UniFi Internet Backup
The Ubiquiti U5G UniFi 5G Backup is a compact, PoE-powered cellular modem designed to provide seamless internet failover for UniFi networks. Supporting both 5G RedCap and LTE connectivity, the U5G connects directly to any compatible UniFi PoE port, ensuring your network remains online when your primary internet connection is unavailable.
Featuring support for both Nano SIM and eSIM, integrated omni-directional antennas, flexible mounting options and full UniFi management, the U5G is an ideal backup connectivity solution for small businesses, remote offices, retail environments and home networks.
Important: 5G RedCap connectivity requires carrier support for both 5G Standalone (SA) and RedCap services. Where unavailable, the device automatically operates using LTE connectivity.
Key Features & Benefits
Automatic Internet Failover
Maintain network uptime with automatic cellular backup when your primary WAN connection fails.
Ideal for:
- Business continuity
- Retail operations
- Home offices
- Remote sites
- Security systems
- Critical network applications
5G RedCap Connectivity
Take advantage of modern low-power 5G technology with support for multiple global 5G RedCap frequency bands.
Benefits include:
- Improved efficiency
- Reliable backup connectivity
- Reduced power consumption
- Future-ready network support
LTE Fallback Support
Automatically switches to LTE networks when 5G RedCap service is unavailable, ensuring maximum compatibility and connectivity.
Power over Ethernet (PoE)
The U5G is powered directly through Ethernet, simplifying deployment by eliminating the need for separate power adapters.
Seamless UniFi Integration
Designed specifically for the UniFi ecosystem, enabling:
- Centralised management
- Easy provisioning
- Automatic failover configuration
- Remote monitoring
- Network-wide visibility
Dual SIM Options
Supports both:
- Nano SIM (4FF)
- eSIM
Providing flexibility when selecting mobile network providers.
Compact Deployment Design
Its slim, lightweight design allows installation in a variety of locations without requiring significant space.
Flexible Mounting Options
Included mounting accessories support:
- Desktop placement
- Wall installation
- Window mounting
Allowing users to optimise cellular reception.
Integrated Omni-Directional Antennas
Equipped with dual embedded omni-directional cellular antennas to provide consistent signal reception without external antenna hardware.
Built-In Status Display
A 1.14-inch display provides instant visibility into operational status and connectivity information.
Technical Specifications
General
- Model: U5G UniFi 5G Backup
- Device Type: PoE-Powered Cellular Backup Modem
- Network Integration: UniFi Network
Cellular Connectivity
5G RedCap
Supported Bands:
- n1
- n3
- n5
- n7
- n8
- n20
- n26
- n28
- n40
- n41
- n77
- n78
Maximum Transmit Power:
- 23 dBm
4G LTE
Supported Bands:
- B1
- B3
- B5
- B7
- B8
- B18
- B19
- B20
- B26
- B28
- B38
- B40
- B41
- B42
- B43
Maximum Transmit Power:
- HPUE Power Class 2
- 26 dBm
Peak Data Speeds
5G Standalone (SA)
- Download: Up to 220 Mbps
- Upload: Up to 120 Mbps
LTE
- Download: Up to 195 Mbps
- Upload: Up to 100 Mbps
Network Interfaces
- 1 x Gigabit Ethernet (RJ45)
- PoE Input
SIM Support
- 1 x Nano SIM (4FF)
- 1 x eSIM
Antenna System
- 2 x Embedded Omni-Directional Cellular Antennas
Display & Controls
- 1.14" Status Display
- Factory Reset Button
Power
- Power Method: PoE
Physical Specifications
Device Dimensions
- 200 x 38 x 20.2 mm
Table Stand Dimensions
- 48.1 x 48 x 55.2 mm
Weight
Device
- 122g
Stand
- 138g
Wall Mount
- 66g
Construction
Enclosure Materials
- Polycarbonate
- Aluminium Alloy
Mount Materials
- Galvanized Steel
- Silicone Rubber
Environmental Specifications
- Operating Temperature: 0°C to 40°C
- Operating Humidity: 5% to 95% Non-Condensing
Certifications
- CE Certified
- RoHS Compliant
Software Requirements
UniFi Network
- Version 10.4.57 or later
Mobile App Support
iOS
- UniFi App Version 10.35.0 or Higher
Android
- UniFi App Version 10.38.2 or Higher
Package Contents
- Ubiquiti U5G UniFi 5G Backup Modem
- Desktop Stand
- Wall Mount
- Window Mount
- Installation Hardware
- Quick Start Documentation
Ideal For
- UniFi Network Installations
- Small Business Failover
- Retail Environments
- Home Offices
- Remote Sites
- Surveillance Systems
- Point of Sale Systems
- Remote Management Networks
- Backup WAN Connectivity
- Business Continuity Applications
Why Choose the Ubiquiti U5G UniFi 5G Backup?
The Ubiquiti U5G UniFi 5G Backup provides an easy and reliable way to maintain internet connectivity when primary broadband services fail. With support for 5G RedCap, LTE fallback, PoE power, and complete UniFi ecosystem integration, it delivers seamless automatic failover without the complexity of traditional cellular backup solutions.
Its compact form factor, flexible mounting options, dual SIM support and centralised UniFi management make it an ideal backup internet solution for businesses and advanced home networks that require dependable uptime and simplified administration.