UDB-IOT
Ubiquiti UniFi WiFi Device Bridge for IoT
Overview Summary:
The Ubiquiti UniFi UDB-IoT WiFi Device Bridge is a compact and efficient networking solution designed to connect IoT devices to UniFi wireless infrastructure. It supports WiFi 4 with 2x2 MIMO, delivering stable 2.4 GHz connectivity for industrial, commercial, and smart automation environments. Its ultra-small form factor and flexible mounting options make it suitable for tight installations where reliable wireless bridging is required.Powered via USB Type-C or a 9-30V DC input, this device offers installation flexibility across different power environments. With support for wall and DIN rail mounting, plus an optional external antenna via RP-SMA, it is engineered for adaptable deployment. Whether expanding IoT coverage or bridging Ethernet-enabled devices into a UniFi network, this unit ensures dependable low-power performance.
Buy now or shop now in South Africa to integrate seamless wireless bridging into your IoT infrastructure and improve network reach with minimal complexity.
What tier does this fall into?
Entry-level IoT wireless bridgeWhat is this best for?
IoT device networking, Ethernet-to-WiFi bridging, industrial sensor connectivity, smart building automation, remote device networkingOverview:
Ubiquiti UniFi WiFi Device Bridge for IoT (UDB-IoT)
The Ubiquiti UniFi WiFi Device Bridge for IoT is a compact wireless bridge designed to simplify connectivity for IoT deployments. It enables stable WiFi linking for wired IoT devices, making it suitable for industrial, commercial, and smart infrastructure environments. The device is identified by the part number SKU UDB-IOT and integrates seamlessly into UniFi-managed networks for streamlined deployment and control.
This solution is built for efficiency and flexibility, offering multiple power options, compact mounting compatibility, and reliable wireless performance in a small-form factor design. It is especially useful where traditional cabling is impractical or costly, providing a practical bridge between legacy devices and modern WiFi infrastructure.
Description:
The Ubiquiti UniFi Device Bridge for IoT (UDB-IoT) is an ultra-compact wireless bridging solution engineered for IoT connectivity challenges. It supports UniFi WiFi Auto-Link for simplified pairing and deployment within UniFi environments. Designed with flexibility in mind, it can be powered via USB Type-C or a 4-pin DC input, making it adaptable for a wide range of installations. With support for wall and DIN rail mounting, the device fits easily into structured network enclosures or field installations. It includes both an internal antenna and an RP-SMA connector for external antenna expansion, ensuring adaptable signal performance depending on deployment needs.
Features:
Compact design and installation flexibility
The UDB-IoT is engineered for space-efficient installations where compact networking hardware is required. Its small footprint allows it to be deployed in tight environments without compromising performance.
Key physical characteristics include:
- Device dimensions: 63 x 44.5 x 25.5 mm
- With external antenna: 89 x 44.5 x 25.5 mm
- Weight: 45 g (device only), 53 g with external antenna
- Enclosure and mount material: Polycarbonate
- Mounting options: Wall or DIN rail (mount included)
The compact design makes it suitable for industrial panels, IoT enclosures, and embedded networking applications.
Wireless connectivity and performance capability
The device operates on WiFi 4 (802.11n) with 2 spatial streams, delivering stable connectivity for IoT data transmission. It is optimized for 2.4 GHz environments, ensuring broad compatibility with industrial and legacy devices.
Performance highlights include:
- 2x2 MIMO on 2.4 GHz band
- Maximum data rate up to 300 Mbps (HT40)
- Supported data rates from 6.5 Mbps to 300 Mbps
- Channel bandwidth: 20/40 MHz
- Maximum transmit power: 20 dBm (combined)
- Antenna gain: 4 dBi internal, 3 dBi external omni
Wireless security is always-on WPA2 AES, ensuring secure communication across connected devices. Management is handled through WiFi, allowing integration into UniFi network environments.
Power options and hardware interface
The UDB-IOT is designed for flexible installation environments with multiple power input methods and essential networking connectivity.
Hardware and interface details include:
- Power input options: USB Type-C (5V DC, 1A) or 4-pin DC (9-30V DC)
- Maximum power consumption: 2.3W
- Networking interface: 1 x 10/100 Mbps RJ45 port
- Antennas: Internal antenna plus 1 x RP-SMA connector for external antenna support
- Control: Factory reset button
- Indicators: System and signal LEDs (multi-status display)
This flexibility allows integration into both low-power IoT systems and more robust industrial setups.
Operating conditions and compliance standards
The Ubiquiti UniFi WiFi Device Bridge IoT is designed for reliable operation across varied environments, maintaining stability under different temperature and humidity conditions.
Environmental specifications:
- Operating temperature: -10degrees C to 50degreesC
- Operating humidity: 5% to 95% non-condensing
Compliance and certification:
- NDAA compliant
- Certified under CE, FCC, and IC standards
Note that full VLAN functionality is available when used with Access Points running Early Access firmware, enabling extended network segmentation capabilities in supported deployments.
The UDB-IOT provides a practical and scalable solution for connecting IoT devices over WiFi, combining compact hardware design with flexible power, mounting, and antenna options for modern network environments.
Specifications:
| © 2026 Respective owners and brand holders. This table has been carefully researched and generated by Laptop Direct CC (https://www.laptopdirect.co.za), however, errors and omissions may occur. Only references to South Africa apply. All products are sourced in South Africa from the official suppliers and the warranty is that of the local supplier. E&OE. This table and our site's content may be used on condition that this notice and link remains intact and unaltered. | |
Specifications![]() | |
| Product Code | UDB-IOT![]() |
| Overview | |
| Dimensions | Device: 63 x 44.5 x 25.5 mm |
| (2.5 x 1.8 x 1") | |
| With external antenna: 89 x 44.5 x 25.5 mm | |
| (3.5 x 1.8 x 1") | |
| WiFi Standard | WiFi 4 |
| Spatial Streams | 2 |
| Mounting Locations | Wall, DIN rail |
| Mounting | Included mount |
| Power Method | USB Type-C (5V DC, 1A) |
| 4-pin DC (9-30V DC) | |
| Performance | |
| MIMO | 2.4 GHz |
| 2 x 2 | |
| Max. Data Rate | 2.4 GHz |
| 300 Mbps (BW40) | |
| Antenna Gain | 2.4 GHz |
| Internal: 4dBi | |
| External omni: 3dBi | |
| Max. TX Power | 2.4 GHz |
| 20 dBm | |
| Max. Conducted TX Power | 20 dBm (Combined) |
| Supported Data Rates | 802.11n |
| 6.5 Mbps to 300 Mbps (MCS0 - MCS15, HT 20/40) | |
| Wireless Security | WPA2 AES (Always On) |
| Hardware | |
| Max. Power Consumption | 2.3W |
| Supported Voltage Range | USB-C: 5V DC |
| Socket: 9-30V DC | |
| Networking Interface | (1) 10/100M RJ45 port |
| Antennas | (1) Internal antenna |
| (1) RP-SMA connector for external omni-antenna | |
| Management | WiFi |
| Channel Bandwidth | 20/40 MHz |
| Weight | Device: 45 g (1.6 oz) |
| With external antenna: 53 g (1.9 oz) | |
| Enclosure Material | Polycarbonate |
| Mount Material | Polycarbonate |
| Button | (1) Factory reset |
| LEDs | System |
| (4) Blue: signal | |
| (1) White/blue: indicator | |
| NDAA Compliant | ? |
| Certifications | CE, FCC, IC |
| Ambient Operating Temperature | -10 to 50degrees C (14 to 122degrees F) |
| Ambient Operating Humidity | 5 to 95% noncondensing |

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