Always resilient business WiFi
WiFi 7
Delivers ultra-fast speeds, low latency and coverage for up to 200+ devices.
Unlimited 5G data
Spectrum Business is the only provider to offer unlimited data on a backup 5G network.
Longest battery life
An external battery with an industry-leading 8 hours of power on our 5G network is included.
Security Shield
Automatically detects and blocks threats using AI-enabled protection – available even in backup mode.
What is Invincible WiFi™?
Keep your business online even during unexpected disruptions. Pair Invincible WiFi™ with Fiber‑Powered Internet for automatic 5G backup during outages.
Spectrum Business Internet is powered by fiber and delivered to the premises via HFC.
How it works
When power goes out, your business WiFi stays on — keep POS, security, and customer service running, even in a blackout.
Actively monitors
While you're using your primary Internet connection, Invincible WiFi™ automatically monitors for service interruptions.
Maintains connection
Within seconds of an outage, the system seamlessly switches to 5G backup service and keeps your devices connected.
Returns to primary Internet
Once service is restored, Invincible WiFi™ switches back to your primary Fiber-Powered Internet.
business WiFi extenders
Wall-to-wall coverage
Get WiFi coverage in every corner of your business with Spectrum Business WiFi Extenders.
Speak with a specialist
Call us Monday-Friday, 8 AM-11 PM ET to speak with our U.S.-based team of small, midsized and enterprise business specialists. Small business specialists can also be reached on Saturdays from 9 AM-6 PM ET.
Contact sales
U.S.-based specialists can help tailor a plan to your needs. Call or chat today to get started.
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Have one of our specialists call you during business hours.
Small Business
Midsized & Enterprise
Frequently asked questions
If there's a disruption, Invincible WiFi™ switches to backup mode within 15-30 seconds of detection. It does this by constantly monitoring your Internet connection and automatically switching over to a backup 5G network with unlimited data, so you can maintain your business Internet connection during power outages. All devices stay on the same network, eliminating the need to reconnect.
Backup WiFi is a secondary Internet connection that automatically keeps your business online if your primary Internet experiences disruption. It commonly uses a cellular network (like 5G) to provide continuous connectivity for critical work tasks during outages.
The WiFi 7 router provides an industry-leading 8 hours of battery life. After an outage and once service is restored, the battery recharges automatically to full power.
Yes, Invincible WiFi can support up to 450 connected devices, including next-gen devices that are WiFi 7 compatible.
- Coverage: Up to 2,000 sq. ft.
- Max Speed: Up to 10 Gbps
- Max Bandwidth: 320 MHz
- Max Client Count: Up to 450 devices
- WiFi Configuration:
- 2.4 GHz 802.11be 4x4:4
- 5 GHz 802.11be 4x4:4
- 6 GHz 802.11be 4x4:4
- Band Support: 2.4 GHz, 5 GHz and 6 GHz
- WiFi Standards: 802.11 a/b/g/n/ac/ax/be
- WiFi Security: WPA 3T for 2.4/5 GHz; WPA3 for 6 GHz
- IoT Features: Thread 1.4 and BLE 5.4
- LAN Ports: 2 x 1 GbE; 1 x 2.5 GbE; 1 X 10 GbE
- Firmware Support: WiFi 7 with Backup Custom FW
- Mobile Standards: 3 GPP Release 16 – LTE and 5G
- Mobile Configuration: up to DL 4x4 MIMO; up to UL 2x2 MIMO
Speeds depend on local 5G coverage, signal strength and network congestion. In areas with strong 5G service, you may experience faster speeds, while areas with weaker reception may use 4G LTE.
No, Spectrum is the only provider to offer unlimited data while using the backup 5G network.
Invincible WiFi™: Available with select plans and a compatible Spectrum router. Backup works only at the service address during outages; misuse may suspend service. Coverage varies. Includes up to 8-hour battery. Speeds reduced after 100GB/month and not guaranteed.
Limited-time offer; subject to change. Qualified new business customers only (no Spectrum Business services or equivalent residential services within the past 30 days) and in good standing with Charter. Standard rates apply after promo period or if qualifying services not maintained. A monthly $5 Payment Processing Charge will be applied to customer accounts not enrolled in Auto Pay. Qualifying services must be ordered on the same day. INVINCIBLE WIFI™: Restrictions apply. Limited to Spectrum Business WiFi customers with a compatible Spectrum Business router. Backup service runs on cellular connection during an outage. Cellular signal availability and connectivity can vary by location and cellular network conditions; may not be obtainable in all areas. Fully charged battery backup will provide up to 8 hours of power. Reduced cellular speeds after 100GB/month. Actual speeds will vary and are not guaranteed. Services subject to all applicable service terms & conditions, which are subject to change. Services & promo. offers not avail. in all areas. Pricing subject to change. Installation & other equipment charges, taxes & fees may apply. Restrictions apply. Call for details. ©2026 Charter Communications, all rights reserved.