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Ubiquiti UCI Multi-Gigabit Rack-Mountable Cable Modem

BH #UBUCI • MFR #UCI
8 reviews
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Ubiquiti UCI Multi-Gigabit Rack-Mountable Cable Modem
Key Features
  • Comcast, Charter & Cox Support
  • DOCSIS 3.1/3.0 Cable Modem
  • 1 x 2.5G Ethernet Port
  • Rack Mountable
Connect your business's network to the internet with the UCI Multi-Gigabit Rack-Mountable Cable Modem from Ubiquiti. This DOCSIS 3.1/3.0 cable modem supports select plans from Comcast Business, Comcast Xfinity, Charter Spectrum, and Cox.
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Ubiquiti UCI Overview

Connect your business's network to the internet with the UCI Multi-Gigabit Rack-Mountable Cable Modem from Ubiquiti. This DOCSIS 3.1/3.0 cable modem supports select plans from Comcast Business, Comcast Xfinity, Charter Spectrum, and Cox.

Simply install this cable modem onto your rack with the included kit and connect the coax cable from your service provider to get started. Then link the modem's 2.5 Gb/s RJ45 Ethernet port to your UniFi Cloud Gateway to manage it through the UniFi platform.

Please note that the UCI only works with supported US-based internet services, and it cannot be activated outside the US or with an incompatible service.

Service Compatibility
Comcast Business (Non-Static IP, up to 1200 Mb/s download & 200 Mb/s upload)
Comcast Xfinity (Residential, up to 1200 Mb/s download & 200 Mb/s upload)
Charter Spectrum (Residential, up to 1000 Mb/s download & 35 Mb/s upload with limited support for faster speeds)
Cox (Residential)
UPC: 810084691205

Ubiquiti UCI Specs

Type
Cable Modem DOCSIS: 3.1
Bluetooth
Bluetooth 4.0
Inputs/Outputs
1x Coaxial
1x RJ45 2.5 GbE
Mobile App Compatible
No
Input Power
100 to 240 VAC, 50 / 60 Hz at 0.8 A
Operating Conditions
Up to 113°F / 45°C at 10 to 95% Humidity
Certifications
CE, FCC, IC, UL
Dimensions
17.4 x 3.1 x 1.7" / 442.4 x 80 x 43.7 mm
Weight
3.3 lb / 1.5 kg
Packaging Info
Package Weight
4.855 lb
Box Dimensions (LxWxH)
20.7 x 5.7 x 5.3"

Ubiquiti UCI Reviews

Unit Setup easy, ISP not so easy

By Dave
Rated 4 out of 5
Date: 2026-08-16

Purchased this to swap out a business account Xfinity cable modem. Hardest part was trying to get a ticket initiated with Xfinity as tech support assistance is required to swap in the UCI. In this area (suburb of Philadelphia) you cannot use Xfinity's setup link to do this. You need tech support to confirm your modem choice and program the MAC address into the Xfinity system. Note that Xfinity does not allow customer owned cable modem/router all-in-one units. You have to purchase both a cable modem and a router. Modem connected to Xfinity with no issue, once tech configured at the Xfinity end, but you need to depend on the unit's mini display to see what's happening as there is no way to connect to it while it is configuring itself. Once connected to internet, the Unifi Gateway Lite router automatic connection and adoption was a little quirky but eventually worked. I chose the Gateway Lite because it was cheap and I only had a handful of devices (access control and camera) connected to it at this location. So I'm a satisfied user so far. Everything is viewable via the Unifi portal.

Good, Solid, High End DOCSIS 3.2 Cable Modem

By J. T.
Rated 4 out of 5
Date: 2025-12-02

I Recently Switched From AT&T DSL To Comcast Xfinity For My Internet Service Provider (ISP). I Bought This Modem Because I Didn’t Want To Pay A Monthly Cable Modem Rental Fee, Comcast Listed It As Compatible With Xfinity, And It Looked Like A Good, Solid Commercial Duty Modem. It Can Be Configured For Mounting In A Rack, But It Can Sit On A Table Top Just As Well. There Are A Few Diagnostic Options That Can Be Accessed From The There Is One RG6 F Type Coaxial Input Jack And One RJ45 Ethernet Output Jack. Power Comes From A Standard C14 Computer Power Cable. It Can Run On 120 Or 240 Volts AC. There Is A 1.5” X 1.5” Touch Screen That Can Be Used To Access Diagnostic Information. There Are No LEDs Or Other Indicator Lights. Configuration (aka “provisioning”) Has To Be Done By Your ISP Using The MAC Address Of The Modem. There Is Otherwise Nothing To Configure. You Initiate Your Comcast Service Request Via The Comcast Website. I Used My Ipad Connected Via Cellular. I Spent About One Hour On The Phone With The Comcast Customer Service Technician (CAT) “provisioning” The Modem Which Seems To Work Very Well. BEWARE: The CST Will Try To Upsell You Services That You Did Sign Up For. After Two Weeks Of Use, The Modem Seems To Be Working Very Well.

See any errors on this page?

Can the UniFi cable internet modem be wall ...

Can the UniFi cable internet modem be wall mounted without a rack? If so, can it be mounted sideways?
Asked by: Bradley
The Ubiquiti Networks UCI Multi-Gigabit Rack-Mountable Cable Modem can only be mounted to a rack unit.
Answered by: JP A
Date published: 2025-11-06
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