Seven RJ-45 ports run at up to 2.5 Gbit/s and also accept 100 Mbit/s and 1 Gbit/s devices. The eighth port is 10-gigabit, intended for the router, a NAS or another switch where the traffic of the other ports converges. That way the combined speed of the 2.5G devices is not squeezed through a single gigabit link, and the fastest part of the network sits where the traffic is heaviest.
PoE delivers up to 30 W per port and up to 185 W across all ports. A Wi-Fi access point, security camera or IP phone gets both data and power over one network cable. At the full 30 W the budget covers six devices, and more can be powered if they draw less. Before installation it is worth adding up the power draw of your devices so the total stays within 185 W.
The manufacturer lists IEEE 802.11a, 802.11n, 802.11ac, 802.11ax and 802.11be among the networking standards, which spans Wi-Fi 4 to Wi-Fi 7. This means the device has a radio that can talk to both newer and older Wi-Fi equipment. Bands, speeds and coverage are not given in the manufacturer data, so it is worth checking how the radio is used in the Ubiquiti documentation before installation.
The UDB-Switch can be powered by DC or over PoE. A 54 V DC power supply is included, so no separate power unit has to be sourced. If there is no outlet near the installation point, PoE can supply the switch instead. According to the manufacturer, maximum consumption is 25 W.
The switch measures 212.9 × 113 × 32.5 mm in a white housing, so it fits on a shelf, under a desk or in a utility cabinet. The rated operating temperature is −30 to 40 °C at 5–95 % humidity, a much wider range than typical office equipment. That allows installation in unheated spaces such as a garage or storage building.
Small offices and homes where a few 2.5G devices plus PoE-powered access points or cameras need one compact switch; installers looking for a PoE switch with a 10G port for a spot where rack equipment does not fit; and networks in unheated garages, warehouses and outbuildings where temperatures drop below freezing.
| Brand | UBIQUITI |
|---|---|
| Model name | UDB-Switch |
| Product colour | White |
| Operating relative humidity (H-H) | 5 - 95 |
| EAN | 810084698068 |
| Power over Ethernet (PoE) | Yes |
|---|---|
| 10G Ethernet (copper) ports quantity | 1 |
| Total Power over Ethernet (PoE) budget | 185 |
| Power over Ethernet (PoE) power per port | 30 |
| Basic switching RJ-45 Ethernet ports type | 2.5G Ethernet (100/1000/2500) |
| Basic switching RJ-45 Ethernet ports quantity | 7 |
| Networking standards | IEEE 802.11a/IEEE 802.11ac/IEEE 802.11ax/IEEE 802.11be/IEEE 802.11n |
|---|
| Power consumption (max) | 25 W |
|---|---|
| Power source | DC/PoE |
| DC input voltage | 54 |
| Power supply included | Yes |
| Operating temperature (T-T) | 0 – 30 – 40 °C |
|---|
| 10G support | Yes |
|---|
| Width | 212.9 mm |
|---|---|
| Depth | 113 mm |
| Height | 32.5 mm |
Up to 30 W per port and 185 W in total. If every device draws the full 30 W, the budget covers six; with lower-power cameras and access points their combined draw has to stay within 185 W.
Yes. The manufacturer lists DC or PoE as the power source, and a 54 V power supply is included as well.
The 10 Gbit/s port links to the router, a NAS or another switch, so the traffic of the seven 2.5G ports is not held back by one slower connection.
The manufacturer lists IEEE 802.11a/n/ac/ax/be, meaning the device has a radio with Wi-Fi 7 support. Bands, speeds and coverage are not specified by the manufacturer.
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