finding a wireless repeater/bridge in a store is not easy. Most of the time you need to order them online.
A bridge like the D-Link DAP-1522 will connect to your wireless and provide you four LAN ports.
A bridge/repeater like the HAWKING HW2R1 will connect to your wireless and provide you a wireless access point and four LAN ports.
however if you are a little tech savvy, you can buy a router, that is convertible based on the database, and install a firmware which will convert it into a bridge/repeater.
See what router is available in your area and check it against the database.