Cellular Uplink Decoder

Hex:
[
  {
    "SyncChars": "0255",
    "MessageType": 0,
    "PayloadLength": 49,
    "SerialNum": 100012,
    "IMEI": "351732050875205",
    "SIMICCID": "89524600000000540903",
    "ProductID": 17,
    "HardwareRev": 1,
    "FirmwareMajor": 2,
    "FirmwareMinor": 14,
    "Flags": "0"
  }