I am currently getting 4 mbps download speed on my TP-Link WN781ND wireless card (connected to my desktop). I am using my iPhone in the same part of the house and getting 15 mpbs. Is my low speed simply due to the quality of the wireless card, or could something else be the problem?
Router: Medialink Wireless-N
http://www.amazon.com/Medialink-Wireless-N-Broadband-Internal-Antennas/dp/B00A3YN0Z0/ref=sr_1_2?s=pc&ie=UTF8&qid=1391386460&sr=1-2&keywords=router
Router: Medialink Wireless-N
http://www.amazon.com/Medialink-Wireless-N-Broadband-Internal-Antennas/dp/B00A3YN0Z0/ref=sr_1_2?s=pc&ie=UTF8&qid=1391386460&sr=1-2&keywords=router