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:
   GSM, GPRS

GSM, GPRS

 RF, DECT

RF, DECT

 Zig-Bee

Zig-Bee

 /

/

 Wi-Fi, Bluetooth

Wi-Fi, Bluetooth

 /

/

 Bluetooth

Bluetooth

 RF ID

RF ID

 GSM, GPRS

GSM, GPRS

GSM

GSM

  GSM, GPRS

GSM, GPRS

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