Ubisys IEEE 802.15.4 usb stic with wireshark..., Reference Manual

Page: 16 / 30

16 www.ubisys.de

Individual RSSI and LQI correlation values are available in the FCS field. Notice that this field is in
CC2420 format, i.e. the frame check sequence is not the value actually transmitted over the air. Instead
of the 16-bit CRC, there is only one bit that determines whether the FCS was correct. The remaining
Figure 9: Decoded IEEE 802.15.4 Packet with RSSI and Correlation Values