Study on the Evaluation Standard of Construction Quality for Asphalt Pavement Based on the Intelligent Sensing Aggregate

Table 2

Technical parameters of wireless transmission module.

Parameters	Index value
Size	Length: 15 mm; width: 15 mm; thickness: 2 mm
Transmission distance under open field	600 m without package
Input voltage	3.7 V
Working current	60 mA (emission) and 40 mA (receive)
The maximum transmit power	22 dBm
Control mode	Serial command