You have indicated that you are looking for walkie-talkies for a school that has a maximum of 5 floors or is smaller than 500 meters. In this case, a license-free walkie-talkie is the best choice. The best-selling walkie-talkie for this question is the Kenwood TK-3701DE.

We have various permit-free radios in our range that are suitable for this.

Kenwood license-free walkie-talkies

Kenwood PKT-23e – a very small, handy walkie-talkie
Kenwood UBZ-LJ9 – a compact design and a striking color
Kenwood TK-3501 – professional and robust walkie-talkie
Kenwood TK-3701DE – digital walkie-talkie with better audio quality

Motorola license-free walkie-talkies

Motorola XT420 – a sturdy and user-friendly walkie-talkie
Motorola XT460 – a user-friendly walkie-talkie with a display