HSD - High Speed Data
EVDO - Evolution data optimized
In mobile broadband market we presently have only two technologies available – EVDO from CDMA operators (Tata Photon+, Reliance Netconnect Broadband+, MTS MBlaze, BSNL EVDO and Virgin vFlash) and 3G from GSM operators (BSNL and MTNL covering the nation).
Reliance Netconnect - CDMA 1x, speed up to 144kbps.
- Huawei EC 121
- ZTE MG 880
- LG LXU 800
Reliance Netconnect+ - CDMA EVDO
Relaince 3 (ZTE AC2739) - speed up to 3.1 Mbps data rate
Relaince Pro 3 (ZTE AC2791) - speed up to 14.7 Mbps data rate
- Huawei EC 168c/1260/1262/150/159
- ZTE AC 2726/273x/2791/8710
Reference:
http://telecomtalk.info/wireless-broadband-3g-or-evdo-what-is-the-choice/34759/
http://www.rcom.co.in/Rcom/personal/internet/wireless_internet.html