I have a mid-level phone (Nokia N73), which does the following protocols:

  1. GSM quad band (850/900/1800/1900)
  2. EDGE
  3. UMTS2100
  4. Bluetooth 2.0 + EDR
  5. FM Stereo Receiver

Protocols it doesn’t do:

  1. GPS
  2. WiFi (a/b/g/n)
  3. FM RDS-TMC
  4. DECT
  5. WUSB

This is in my opinion where SDR will come into play:

  1. Doing multiple wireless protocols (when >5-6, it starts becoming un-economical putting multiple chips in the mobile device to support them)
  2. Upgrading functionality without replacing the mobile device (e.g. selling WiFi functionality as an addon to people with old devices)

A bonus advantage is the possibility to fix production errors after-sales without having to do a recall (e.g. the iPhone 3G signal reception problems)

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