http://www.flipkart.com/asus-rt-n12hp-high-power-wireless-n300-3-in-1-ap-range-extender/p/itmdrhsdf3vffbjm?pid=RTRDHYYVA2TUNETC

Multiple 3-in-1 router/access point /range extender wireless modes
Excellent wireless signal and antenna transmission for 300% wider signal coverage
2 detachable external 9dbi high gain antennas with adjustable output power
Powerful online multitasking at up to 30,000 Data Sessions
3 years manufacturer warranty from date of purchase

At Amazon : http://www.amazon.in/Asus-Wireless-Router-Range-Extender/dp/B006JFY6RI