Trying to find XBP24-Bxx Xbee chips

Anyone have a supplier for these? They are the 60 mW with chip antenna. Can't drill through concrete with the 2mW units I got now.

You can get 60mW ones from sparkfun but not the code you mentioned.

http://www.sparkfun.com/commerce/product_info.php?products_id=8690

Mowcius