TLK vs. EVX-S24 vs. DTR700 — Quick Selection Guide
Large school campuses need reliable communication across multiple buildings, floors, parking lots, and outdoor walkways. The right two-way radio improves safety, coordination, and response time while keeping staff connected anywhere on campus.
Below is a concise comparison followed by recommendations.
Technical Snapshot
| Model | Typical Indoor Coverage* | Floors* | Frequency | Technology |
Price (approx.) |
Best For |
|---|---|---|---|---|---|---|
| TLK | Nationwide / Campus-Wide Coverage | Unlimited | LTE / Wi-Fi | Digital (Push-to-Talk Over Cellular) | ~$240–$400/unit + service | Multi-building districts |
| EVX-S24 | Up to ~150,000–300,000 sq ft | 3–6+ | UHF | Digital + Analog |
~$335/unit |
Large school campuses |
| DTR700 | Up to ~200,000–350,000+ sq ft | 3–6+ | 900 MHz FHSS | Digital | ~$470/unit | Large single-campus schools |
*Coverage varies based on construction materials, interference, network availability, and antenna placement.
Product Recommendations
TLK — Campus-Wide & District-Wide Communication
LTE-based radios provide communication anywhere with cellular or Wi-Fi coverage, making them ideal for large districts and multi-building campuses.
Best For
• Schools with multiple buildings or campuses
• District-wide staff communication
• Transportation and maintenance teams
EVX-S24 — Strong Digital Coverage for Large Campuses
Compact digital radios that deliver clear audio and strong indoor coverage across large buildings and multi-floor campuses.
Best For
• Large high schools or colleges
• Security & facilities teams
• Multi-building campuses up to ~300,000 sq ft
DTR700 — Professional Digital Performance
Advanced 900 MHz digital radios provide private, license-free communication with strong coverage across large campuses.
Best For
• Large multi-building schools
• Security & administration teams
• Campuses up to ~350,000+ sq ft
Choosing the Right Radio
When selecting radios, consider:
• Campus size & layout — Multiple buildings may require LTE or digital radios
• Indoor vs. outdoor coverage — Walkways and parking areas affect signal needs
• UHF vs. 900 MHz vs. LTE — Each offers different coverage strengths
• Analog vs. Digital — Digital provides clearer audio and better noise rejection
• District-wide communication needs — LTE radios work across cities and campuses
Why Schools Choose Freedom 2-Way Radios
We help schools select radios based on real campus conditions, staff needs, and budget—then support you as your district grows.
Freedom to communicate better.
Contact Freedom 2-Way Radios for a customized recommendation.
