5 dBi to 15 dBi for $4.00 each (price+shipping) 
Not sure how good or bad these antennas are, but even if these antennas are crap, it is a good source of 3 meters of coax with sma male connector for $4 , and we can always cut the whip to 1/4 wavelength or replace the whip by thin wire of 1/4 wavelength, or a V-stub design.
