Wireless NIC antenna upgrade

[Osaka]

Two questions:

Is it possible to upgrade the antenna of the internal wirless NIC (not WWAN)? With either a better internal one or add a spot to hook in an external antenna...

If so, is it worth it in terms of how much more range the card gets?

[tebore]

Only thing I can think of is getting those Pig tail cables with the antenna connector on the end.

Take one of your stock antennas out drill a hole for the antenna connector(it's plastic so drilling will be easy). Once this is done you'll be able to run a high gain antenna like a 20dbi monster or to a signal booster.