Some of the advantages are:

  • EDGE high-speed wireless connectivity (75-135kbps vs. 60-80 kbps for CDMA 1XRTT)
  • International roaming via Quad-Band GSM/GPRS (Voice roaming in 130+ countries and data roaming in 75+ countries vs. CDMA in US and some parts of Central/South America only)
  • Treo 650 GSM with (estimated) 6 hours talk-time vs 5 hours for CDMA