Small packaging - outstanding performance
GigaSpire u4 System
A robust family of desktop and outdoor systems to meet every need. Enter new markets with the GigaSpire u4 family and exceed subscriber expectations for connectivity and performance
Overview
Compact Wi-Fi system and integrated fiber solution
Your subscribers will love the Wi-Fi 6 experience. With Calix’s powerful GigaSpire u4 system, service providers can deliver solutions that exceed subscribers' expectations. Service providers can take advantage of the quick installation and service activation that simplifies business operations.

Product details
Exceptional coverage and performance
- Indoor Wi-Fi coverage
- Outdoor Wi-Fi coverage
- Convergence of fiber and Wi-Fi
GigaSpire u4 Systems
It’s compact, stylish and packs a punch
The dual-band GigaSpire u4 family of Wi-Fi 6 gateway and mesh systems are optimally designed for delivering safe and secure Wi-Fi subscriber experiences to small homes, apartments, and businesses.

GigaSpire u4hm
Extend your Wi-Fi 6 solution to the patio, pool, or barn
The GigaSpire u4hm is an outdoor satellite mesh solution designed to extend the Wi-Fi 6 indoor experience to the outdoors. Service providers can leverage the PoE capabilities to leverage low-power cabling.

GigaSpire u4g/u4xg
Single system solution for homes or apartments
The GigaSpire u4g and u4xg are equipped with an integrated ONT in addition to its Wi-Fi responsibility to provide a simplified, high-speed subscriber access solution.

Benefits and Features
See why the GigaSpire u4 systems are right for you and your subscribers
Minimalist, consumer-friendly designs that easily blend in for even the most design-conscious subscriber
System configuration options to provide coverage areas ranging from apartments to single-family homes
A rock-solid, carrier only system that a BSP can easily manage, via Calix Service Cloud, to create optimal Wi-Fi experiences for subscribers
Connectivity ranging from Gigabit Ethernet to GPON to XGS PON to match your deployment network requirements
Plug-play mesh functionality of the u4m or u4hm to bring Wi-Fi to remote indoor areas or select outdoor environments confidently
Protected system access controls for BSPs and a range of security options for subscribers that are cloud controlled from any location using Calix Cloud applications
Technical specifications
Standards based for provider and subscriber investment protection

The GigaSpire u4 is a desktop system offering gateway functionality based on Wi-Fi 6 (802.11ax).
Product attributes:
- Wi-Fi 6 - 2.4GHz (2x2), 5GHz (2x2)
- GE WAN port
- 2 x GE LAN ports
- USB 2.0 (Type A)
- Managed by Calix Service Cloud

The GigaSpire u4m is a Wi-Fi 6 (802.11ax) satellite, seamlessly extending connectivity for SmartLife managed services.
Product attributes:
- Wi-Fi 6 - 2.4GHz (2x2), 5GHz (2x2)
- GE WAN/LAN* port
- Managed by Calix Service Cloud
* If Wireless used for backhaul, port functions as LAN

New functionality to address the small business market
Designed exclusively for the GigaSpire u4/u4m, the PoE Solution enables wall or ceiling mounting in locations where AC power is unavailable, enabling expanded coverage in premium residential, small office, home office and small business applications.

The GigaSpire u4.2 is a next generation Wi-Fi 6 system offering enhanced security, improved Wi-Fi performance and increased whole home coverage.
Product Attributes:
- Desk or wall mounted
- 7" tall, 5" deep, 2" wide
- Wi-Fi 6 - 2.4GHz (2x2), 5GHz (2x2)
- 2.5GE WAN* port
- 2.5GE LAN port
- Managed by Calix Service Cloud
* If wireless used for backhaul, port functions as LAN

The GigaSpire u4g system unites GPON ONT and residential gateway functionality into an integrated system helping you to expand and grow your residential and business Wi-Fi use cases.
Product Attributes:
- Wi-Fi 6 - 2.4GHz (2x2), 5GHz (2x2)
- Integrated GPON
- GE WAN port
- 2 x GE LAN ports
- USB 2.0 (Type A)
- Managed by Calix Service Cloud

The GigaSpire u4xg system unites XGS-PON and residential gateway functionality into an integrated system helping you reach new residential and MDU markets and deliver high demand subscriber solutions.
Product Attributes:
- Wi-Fi 6 - 2.4GHz (2x2), 5GHz (2x2)
- Integrated XGS-GPON
- GE WAN port
- 2 x GE LAN ports
- USB 2.0 (Type A)
- Managed by Calix Service Cloud

The GigaSpire u4hm is an outdoor satellite mesh solution designed to expand the Wi-Fi 6 indoor experience to the outdoors. Service providers can take advantage of the PoE capabilities, with easy and lower cost installations.
Product Attributes:
- Wi-Fi 6 - 2.4GHz (2x2), 5GHz (2x2)
- GE WAN* port
- GE LAN ports
- 802.3at PD – Power Over Ethernet
- Managed by Calix Service Cloud
* If wireless used for backhaul, port functions as LAN
Related Products and Services
Additional capabilities from Calix

GigaPro Systems
A hardened outdoor tri-band Wi-Fi 6E gateway bringing uparalleled connectivity, speed and wireless coverage to some of the most challenging environments.

Calix Cloud
Broadband service providers can intelligently streamline their network operations and harmonize both subscriber and network data for true white glove customer experience.

GigaSpire Systems
The Calix platform and expansive GigaSpire portfolio enable you to deliver amazing subscriber experiences and expand your business into new markets—quickly.

Intelligent Access
Redefine access of the network by radically simplifying its architecture and operations with one common service model, while reducing operational expenses.

Success Education
Meet the diverse training needs of your employees with flexible education solutions for deploying, configuring, maintaining and growing broadband networks.

Success Guidance
Value-added resources and expert guidance to achieve and exceed objectives, accelerate time-to-value, and obtain maximum return on Calix Cloud, premises, and access investments.

SmartLife
Extend the amazing experience a subscriber has at home to their business and throughout their community

Unlimited Subscriber
Discover unlimited ways to deliver on the changing needs and behaviors of your subscribers, whether it’s in their homes, small businesses, MDUs, or other organizations throughout your community.