B&H Photo Video offers the TRENDnet 802.11n Wireless Easy-N Range Extender
, model no. TEW-736RE, for $28.95
with free shipping
has it for few cents more.) That's the lowest total price we could find by $8. It features two 2dBi detachable antennas and extends your wireless network up to 328-feet indoors and 984-feet outdoors.