T-Mobile Business Internet: Fixed-Wireless Broadband Built for Modern Work
Why Businesses Are Rethinking Last-Mile Connectivity
Fast, reliable internet is no longer a perk; it’s a profit lever. Yet many organizations still grapple with 60-day fiber installs, price-creeping cable contracts, or DSL lines that choke cloud apps. T-Mobile Business Internet flips that script with 5G fixed-wireless access (FWA)—a self-install gateway that captures T-Mobile’s nationwide 5G signal outdoors and broadcasts Wi-Fi 6 plus multi-gigabit Ethernet indoors. No trenching. No technicians. No multi-year lock-ins.
Inside the Network: How T-Mobile Delivers Office-Class Speeds
| 5G Layer | Spectrum | U.S. Coverage (May 2025) | Typical Down/Up* | Primary Benefit |
|---|---|---|---|---|
| Extended Range | 600 MHz (low band) | 330 M people | 50-200 / 10-25 Mbps | Deep building penetration |
| Ultra Capacity | 2.5 GHz mid band | 210 M people | 300-800 / 40-60 Mbps | Fiber-like speed, wide reach |
| mmWave | 24-39 GHz | Dense downtowns | 1-3 Gbps / 80-120 Mbps | Gig-class throughput |
*Based on Ookla Q1 2025 crowdsourced tests.
T-Mobile’s 2.5 GHz “Goldilocks” spectrum (inherited from Sprint) is the workhorse, balancing range and capacity better than low-band LTE or short-range mmWave.
Plan Menu & Transparent Pricing
| Plan | Monthly (Autopay) | Typical Speed | Data Cap | Extras |
|---|---|---|---|---|
| Business Internet 100 | $50 | 100-200 Mbps | Unlimited* | Optional static IP +$5 |
| Business Internet 300 | $70 | 300-500 Mbps | Unlimited* | 24/7 U.S. support |
| Business Internet 1 G | $100 | 600-1000 Mbps† | Unlimited* | Priority data, Pro gateway |
*Fair-use policy applies; throttling only in extreme, sustained congestion events.
†Available where Ultra Capacity + mmWave overlap.
All tiers are month-to-month, include hardware, and carry a two-year price-lock.
Six Business Benefits You’ll Notice on Day One
15-Minute DIY Setup
Unbox, plug in, rotate until the signal meter shows three bars, scan a QR code—done. Perfect for new leases, construction trailers, or pop-up stores.
True Portability
Moving floors—or moving states? Take the gateway, update the service address online, and you’re live the same day. Zero truck rolls, zero downtime.
Predictable Billing
One flat fee covers gateway, data, and support. No install charges, no overage tables, no hidden “reg-recovery” line items.
Fail-Safe Redundancy
Feed the 5G link into an SD-WAN or dual-WAN router. If cable or fiber dies, traffic flips to T-Mobile within a second; customers never notice.
Security from the Start
WPA3 Wi-Fi, double-NAT firewalling, optional static IPv4 for VPNs, plus T-Mobile Secure Web Gateway (DNS-level malware and phishing block) at $4/month.
Future-Proof Upgrades
As T-Mobile lights up more mid-band or mmWave spectrum, your gateway quietly accelerates—no contracts to renegotiate, no crews on ladders.
Real-World Case: Franchise Rollout in the Southeast
A 40-location smoothie chain switched from patchwork cable to Business Internet 300. Store managers self-installed gateways; corporate IT pushed VLAN tags remotely. Average downlink jumped from 120 Mbps to 430 Mbps, checkout latency vanished, and the company shaved $28k/year after scrapping coax “business tiers.” When a hurricane knocked out local fiber, POS systems auto-failed-over to 5G, keeping revenue flowing.
Performance Snapshot vs Traditional Options
| Metric | Cable 300 Mbps | Fiber 500 Mbps | T-Mobile 300 Mbps |
|---|---|---|---|
| Install Time | 10-45 days | 30-120 days | 2-3 days shipping |
| Up-Front Cost | $0-$250 | $0-$2,500 | $0 |
| Monthly (after fees) | $95 | $115 | $70 |
| Portability | None | None | Gateway-to-go |
| Typical Latency | 25-40 ms | 10-15 ms | 25-35 ms |
| Data Caps | 1-2 TB soft | None | Unlimited* |
Fiber still rules for sub-10 ms latency and multi-gig symmetrical uploads, but for offices with ≤ 75 concurrent users, T-Mobile nails the cost-to-speed sweet spot—especially when agility matters.
Deployment Checklist
- Eligibility Check – Enter your address on T-Mobile Business’s site. If Ultra Capacity is available, you qualify for 300 or 1 G tiers.
- Gateway Placement – Near a window or exterior wall; use the built-in signal graph or the T-Mobile Internet app to fine-tune.
- Bridge Mode – Disable Wi-Fi and connect via the 2.5 GbE port to your firewall, Meraki, or UniFi stack.
- Static IP (Optional) – Toggle in Business Center; the gateway reboots with a dedicated IPv4—ideal for IPsec tunnels, VoIP PBXs, or NVRs.
- Fleet Monitoring – The free dashboard shows uptime, data usage, and signal quality across every location.
Frequently Asked Questions
Will bad weather kill my connection?
Low- and mid-band 5G shrug off rain and snow much like LTE. Only mmWave sees big drops; gateways automatically fall back to Ultra Capacity or Extended Range.
What about upload-heavy workflows?
Upstream peaks at ~120 Mbps on the 1 G tier—ample for cloud backups, 4K livestreams, and large CAD file syncs. If you regularly push multi-terabyte datasets overnight, stick with fiber.
Can I bond multiple gateways?
Yes. SD-WAN appliances (Peplink, Cisco, Fortinet) can aggregate two or more 5G links for higher throughput or active-active resiliency.
Ideal vs Non-Ideal Scenarios
Best Fits
- New branches, pop-ups, remote offices
- Retail and restaurants needing instant POS broadband
- Rural SMBs beyond cable reach
- Backup circuits for healthcare, finance, call centers
- Construction sites and disaster-response hubs
Less Ideal
- Data centers moving multi-TB nightly backups
- Ultra-low-latency trading (< 10 ms targets)
- Buildings with heavy concrete/metal shielding (unless external antennas are feasible)
Verdict: Cut the Cord, Keep the Speed
T-Mobile Business Internet brings enterprise-grade bandwidth into the plug-and-play era. Setup takes minutes, bills stay flat, and the service travels when you do—no shovel, no splice, no surprise. If fiber delays, cable congestion, or ballooning invoices are throttling your growth, 5G fixed-wireless deserves a real-world test. Power it up, watch Teams meetings smooth out and checkout lines shrink—and enjoy the moment when your finance chief realizes the savings are permanent.