I bought 2 antenna modem. I bought it from local center.
I found following feature:
1. High Speed Internet: Latest modem provides internet speed of 24 mbps downstream and 1 mbps upstream.
2. High speed wireless connection: Maximum speed achieve with this router is 300 Mbps
3. Total security: Firewall protection, user access control
4. Parental control feature for URL blocking and scheduling.
This router is compatible with major internet service provider in India.