TP-Link WiFi extenders are up to 39 percent off at Amazon | Engadget
TP-LINK DOCSIS 3.0 High Speed Cable Modem,1 x Network (RJ-45) - F-type - Gigabit Ethernet - Desktop - kite+key, Rutgers Tech Store
Amazon.com: TP-Link WiFi Extender with Ethernet Port, Dual Band 5GHz/2.4GHz , Up to 44% more bandwidth than single band, Covers Up to 1200 Sq.ft and 30 Devices, signal booster amplifier supports OneMesh(RE220) :