In this video I will show you how to construct a dual band long range repeater for 2.4GHz and 5GHz wifi. The build is based around the Edimax EW-7238RPD. A dual band repeater that sells for less than £40 and is easy to setup.
EDIMAX EW-7238RPD WIRELESS N 300MBPS DUAL BAND UNIVERSAL WIFI EXTENDER REPEATER
2.4GHz dipole antenna: http://youtu.be/bs8hvXGJdhM
5GHz dipole antenna: http://youtu.be/ysHP_Yi8bx8