- Published in issue 4/1999 on page 22
Yagi aerial for 900-MHz GSM:
a fixed antenna for better connections
Although the adverts would have you think that you can use your mobile phone absolutely everywhere, probably every owner of a GSM phone has experienced situations in which the signal quality was hardly worth the name, or the phone simply could not find a transponder. The fixed external antenna presented here might be a help in such situations, since it extends the range of a GSM phone by many kilometres.