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Small white cube router with four Ethernet ports and status LED

Ubiquiti Networks

Ubiquiti Networks airCube ISP ACB-ISP 802.11n 2x2 300Mbps wireless router

SKU CH-KX25-58EG2

Compact 2.4 GHz 802.11n access point with 300 Mbps 2x2 MIMO, four 100 Mbps Ethernet ports and 24 V PoE passthrough for powering a CPE device

  • Interface type4 × 10/100 Fast Ethernet Ports
  • Indicator lightsStatus
  • Wireless speedUp to 300 Mbit/s
  • Antenna configuration4 dBi
  • Power supply5 V Power Method: PoE 24 V In on LAN Port 1 or 2A Micro USB
  • Temperature rangeOperating Temperature: -10 to 50 degree Celsius (-14 to 122
  • 11n 2x2 MIMO delivers up to 300Mbps wireless speed
  • Four 10/100 Fast Ethernet ports provide wired connectivity for multiple devices
  • 24V PoE passthrough powers a compatible CPE device from the router
  • UNMS and mobile app enable remote network management and quick setup
  • Compact design operates from -10°C to 50°C for flexible placement

airCube ISP 802.11n router

The Ubiquiti airCube ISP is a compact wireless access point that delivers up to 300 Mbps over 802.11n 2x2 MIMO on the 2.4 GHz band. It includes four 10/100 Fast Ethernet ports and a 4 dBi Super Antenna for extended coverage. The unit is managed through the UNMS platform or the UNMS mobile app for simple setup and remote monitoring. It operates in temperatures from -10 to 50 degrees Celsius.

Installers using airMAX CPEs

This router suits providers deploying airMAX customer-premises equipment because it accepts 24 V passive PoE on LAN port 1 and passes the same voltage out to power a connected CPE. It also runs from a 5 V micro USB source when PoE is not available. Buyers who need gigabit Ethernet ports or 5 GHz operation should look at other models. The power adapter is not included in the box.

24 V passive PoE passthrough

The defining specification is the 24 V passive PoE input on LAN port 1 with passthrough to a downstream airMAX CPE. Maximum power draw is 5 W and the supported input range is 4.95 to 5.05 V via micro USB. A compatible 24 V PoE injector or a 5 V 2 A USB supply must be sourced separately. Without the correct power source the unit will not start.

How it compares

Measured against everything we stock in Wi-Fi Routers, at today’s prices. Recalculated every night.

Price $32.99
Cheaper than about 88% of the 495 comparable items (median $126.99).

Specifications

Product
Brand nameUbiquiti Networks
Model nameACB-ISP
Connectivity
Wireless speedUp to 300 Mbit/s
Antenna configuration4 dBi
Ports & slots
Interface type4 × 10/100 Fast Ethernet Ports
Power
Power supply5 V
Power Method: PoE 24 V In on LAN Port 1 or 2A Micro USB Adapter (Not Included)
Supported Power Voltage: 4.95-5.05 V
Max. Power Consumption: 5 W
Size & build
Product dimensions3.46 in × 3.52 in × 3.51 in
Product weight0.62 lb (0.28 kg)
Shipping weight0.34 kg
Package size102 × 102 × 102 mm
Environment & compliance
Temperature rangeOperating Temperature: -10 to 50 degree Celsius (-14 to 122 degree Fahrenheit)
Humidity rangeOperating Humidity: 5 to 95% Non-condensing
More details
Indicator lightsStatus

Questions about this item

How much power does the ACB-ISP draw when running continuously?

Maximum power consumption is 5W, and it operates between -10 and 50 °C with 5 to 95 % non-condensing humidity.

What power source must I already have to run the ACB-ISP?

A 24 V passive PoE injector on LAN port 1 or a 5 V micro USB adapter supplying 4.95–5.05 V; neither is included in the box.

Will the ACB-ISP power my existing 24 V airMAX CPE through its Ethernet ports?

Yes, it provides 24 V PoE passthrough so a compatible CPE can be powered from the same cable.

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