Industrial Tracker Reference Guide FW 1.8 V0.2
6.5.5
WIFI BSSID payload
Common
header
Positon informaton data
Byte 0i4
Byte5
B 6i11
Byte12
B 13i18
Byte1
9
B 20i25
Byte2
6
B 27i32
Byte3
3
Header
tith Opt=9
Age
BSSID0
RSSI0
BSSID1
RSSI1
BSSID2
RSSI2
BSSID3
RSSI3
Age
lo
=0,
hi
=2040,
nbits
=8,
nres
=0. Expressed in seconds. The step
is 8 seconds.
BSSID x
: BSSID of the WIFI staton x.
RSSIx
: Receive Signal Strength Indicaton of the WIFI staton x. Non encoded form (
negatve value,
for informaton about the encoding). It is expressed
in dBm.
Notes
1i The payload contains the listened WIFI statons (up to 4).
2i If less than 4 statons are listened, the payload till be reduced.
3i BSSID address is provided in big endian format. So, the byte 6 of the payload contains the
MSB of the BSSID0, thile the byte 11 contains its LSB.
4i Encoded form is detailed in the
secton.
6.6 Energy Status messages
This message should be used for the primary batery life estmaton.
Common header
Data
Byte 0i4
Byte 5i8
Byte 9i12
Byte 13i16
Header
GPS ON
GPS Standby
WIFI scan
GPS ON:
Number of seconds the GPS module is ON.
GPS Standby
: Number of seconds the GPS module is in standby mode.
WIFI-SCAN:
Number of tmes a WIFI scan has been done.
Consumptons:
GPS ON: 40 mA
GPS standby: 100 uA
WIFI scan: 100 mA during 3 seconds.
LoRa: 40mA (EU). 90 mA (other regions).
Page 26 of 46
10th July 2019
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