It sometimes happens that after incorporating a known-to-be-good antenna into a device, the device fails to perform as hoped. Here are some possibilities as to what can cause this.
Antenna Performance Issues
Tag: Detuning
Detuning Effect of Small Devices Carried on the Person
A common trouble with an otherwise good antenna design is that the human person can de-tune things simply by being in close proximity, causing substandard coverage.
ARSI 
You must be logged in to post a comment.