The CBRS band, short for Citizens Broadband Radio Service, is a revolutionary wireless spectrum in the United States that opens new opportunities for high-speed, private, and enterprise-grade wireless communication.
Located in the 3.5 GHz frequency range, CBRS supports 4G LTE, 5G, and private networks—without requiring expensive spectrum licenses for all users.
🔍 CBRS Band Basics
| Feature | Detail |
|---|---|
| Frequency Range | 3550 MHz – 3700 MHz |
| Band Number | Band 48 (in LTE/5G terminology) |
| Spectrum Width | 150 MHz total |
| Country | United States (regulated by the FCC) |
| Main Uses | LTE/5G, private networks, fixed wireless |
🛠️ How CBRS Works: Three-Tiered Access
Unlike traditional cellular spectrum that’s auctioned off exclusively, CBRS uses a shared spectrum model managed by a Spectrum Access System (SAS). It supports three tiers of users:
📌 Incumbent Access
- U.S. Navy radar systems, government satellites
- Have top priority in the band
- SAS protects these users from interference
🚨 Priority Access License (PAL)
- Companies can purchase licenses for exclusive use in specific areas
- Great for carriers, ISPs, or large enterprises
- 10 MHz channels available for 10-year terms
📶 General Authorized Access (GAA)
- Free to use, similar to Wi-Fi
- Open to anyone with approved equipment
- Great for private LTE, enterprise 5G, or campus networks
💡 Why the CBRS Band Matters
CBRS enables custom, high-speed wireless networks without depending on major carriers. It’s especially useful in:
- 🏢 Private LTE/5G networks for campuses, factories, and hospitals
- 🏙 Smart cities and public infrastructure
- 🚜 Agriculture and rural broadband
- 🛠 Construction sites and remote field work
- 🏫 Education: school districts can deploy their own secure wireless systems
🔧 Devices and Compatibility
CBRS is used in LTE Band 48 and 5G NR Band n48. Many newer smartphones, modems, routers, and access points support it, including:
- Google Pixel 6, 7, 8 series
- iPhone 11 and newer (with CBRS-certified firmware)
- Cradlepoint, Ruckus, Baicells, and Nokia CBRS gateways
📌 Note: Devices must be SAS-certified and FCC Part 96 compliant to operate legally in the CBRS band.
✅ Benefits of CBRS
| Advantage | What It Means |
|---|---|
| Shared Access | More efficient use of spectrum |
| Localized Control | Build your own network, your way |
| Lower Costs | No expensive licensing needed (for GAA) |
| High Performance | Excellent speeds and low latency |
| Scalable Deployment | Great for both rural and dense urban use |
🧠 Final Thoughts
The CBRS band is democratizing wireless communication by giving public and private entities access to valuable mid-band spectrum. Whether you’re launching a private 5G network or expanding rural broadband, CBRS offers a flexible, cost-effective way to deliver fast and reliable wireless service.