That's 2G. High speed 2G in fact. 1G would be analog. Other 2G networks: CDMAOne (14.4 kbps) and GSM (9.6 kbps). So yeah, it's 2G.
Well GPRS is 2G. 1X CDMA is 2G. These are packet switched shared medium internet access. Not circuit switched data as you quoted above. Nextel data is circuit switched I belive.
GPRS and 1xRTT are 2.5G. 2G (2.0G) is circuit switched. Again, CDMAOne and GSM are 2G, CDMA 1x and GPRS are 2.5G. Trust me, I've been messing around with the stuff since they called 1xRTT high speed
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