... model, CC1101 wireless model, CC1101 model, RF model, 433 wireless model, 433M wireless model, 780M wireless model, 799M wireless model, 868M wireless model, 915M wireless model, 433MHz wireless model, 780MHz wireless model ... dBm Transmit distanceMore than 300m(Open filed) Model physical dimensionL x W x H: 22 x 22 x 5 (mm) without antenna Working environment-20 ...