Why do I have to Place the FemtoCell Near a Window?

The various femtocells being marketed by the major carriers require that they be place near a window.

Huh? They need a good view to not feel along all day?

Actually, it’s because the femtocells need to know where they are installed so that the carriers can (try to) meet the E-911 location requirements.

Femtocells have built-in GPS receivers that tell the wireless switching center, call the Mobile Telephone Switching Office (MTSO for short) where it is installed.  That would be inside your home.  Then, if someone makes a 911 call through your femtocell, the MTSO can use your GPS location (latitude and longitude) to help E-911 dispatchers get help to the caller.

So, to parrot the line from Sprint, “Can you find me now?  Good!”



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