




The Ubiquiti Device Bridge IoT (UDB-IoT) is an ultra-compact wireless bridge built for reliably connecting IoT devices over WiFi. It features integrated UniFi WiFi Auto-Link, flexible mounting options, and can be powered via USB Type-C or a 4-pin DC socket—making it an ideal fit for tight installs and industrial-style deployments.
Designed for quick placement on walls or DIN rails, the UDB-IoT delivers dependable 2.4 GHz connectivity with 2x2 MIMO performance and always-on WPA2 AES security, while offering both internal and external antenna support.
| Specification | Details |
|---|---|
| Model | UDB-IoT |
| Dimensions (Device) | 63 x 44.5 x 25.5 mm (2.5 x 1.8 x 1") |
| Dimensions (With External Antenna) | 89 x 44.5 x 25.5 mm (3.5 x 1.8 x 1") |
| Weight (Device) | 45 g (1.6 oz) |
| Weight (With External Antenna) | 53 g (1.9 oz) |
| WiFi Standard | WiFi 4 (802.11n) |
| Spatial Streams | 2 |
| MIMO | 2 x 2 (2.4 GHz) |
| Max Data Rate | 300 Mbps (2.4 GHz, BW40) |
| Antenna Gain | Internal: 4 dBi / External omni: 3 dBi |
| Max TX Power | 20 dBm (2.4 GHz) |
| Wireless Security | WPA2 AES (Always On) |
| Networking Interface | (1) 10/100M RJ45 port |
| Antennas | (1) Internal antenna, (1) RP-SMA for external omni-antenna |
| Power Method | USB Type-C (5V DC, 1A) / 4-pin DC (9–30V DC) |
| Max Power Consumption | 2.3W |
| Mounting Locations | Wall, DIN rail |
| Mounting | Included mount |
| Enclosure Material | Polycarbonate |
| Button | (1) Factory reset |
| LEDs | (4) Blue: signal / (1) White/blue: indicator |
| Certifications | CE, FCC, IC |
| Operating Temperature | -10 to 50° C (14 to 140° F) |
| Operating Humidity | 5 to 95% noncondensing |
The UDB-IoT combines compact sizing, flexible power, and straightforward mounting to deliver a clean, reliable wireless bridge for IoT deployments—ideal for connecting wired endpoints through UniFi-managed WiFi.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
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