function Decoder(bytes, port) {
  var obj = new Object();

  //temp
  var tempEncoded=(bytes[2]<<8)|(bytes[1]);
  var tempDecoded=(tempEncoded*175.72/65536)-46.85;
  obj.temp=tempDecoded.toFixed(2);

  //humidity
  var humEncoded=(bytes[3]);
  var humDecoded=(humEncoded*125/256)-6;
  obj.hum=humDecoded.toFixed(2);

  //period
  var periodEncoded=(bytes[5]<<8)|(bytes[4]);
  var periodDecoded=(periodEncoded*2);
  obj.period=periodDecoded+" sec";

  //battery
  var batteryEncoded=(bytes[8]);
  var batteryDecoded=(batteryEncoded+150)*0.01;
  obj.battery=batteryDecoded.toFixed(2);

  return obj;
}