MEITRACK T622 GPRS Protocol
Copyright © 2017 Meitrack Group All rights reserved. - 7 -
HDOP
Decimal
The value ranges from 0.5 to 99.9. The smaller the
value is, the more the accuracy is.
0.5–1.0: Perfect
2–3: Wonderful
4–6: Good
7–8: Medium
9–20: Below average
21–99.9: Poor
5.0
The HDOP is 5.0.
Altitude
Decimal
Unit: meter
Value range: -9999 to 99999
118
The altitude is 118m.
Mileage
Indicates the total mileage.
Decimal
Unit: meter
Value range: 0–4294967295. If the value exceeds the
maximum value, it will be automatically cleared.
564870
The mileage is 564870m.
Run time
Indicates the total time.
Decimal
Unit: second
Value range: 0–4294967295. If the value exceeds the
maximum value, it will be automatically cleared.
2546321
The run time is 2546321
seconds.
Base station info
The base station information includes:
MCC|MNC|LAC|CI
MCC: indicates Mobile Country Code; decimal.
MNC: indicates Mobile Network Code; decimal.
LAC: indicates Location Area Code; contains 4
hexadecimal characters.
CI: indicates the cell ID; contains 4 hexadecimal
characters.
2G module:
460|0|E166|A08B
I/O port status
Contains 4 hexadecimal characters.
Status values of eight input ports and eight output
ports:
Bits 0–7 correspond to status of output ports 1–8.
Bits 8–15 correspond to status of input ports 1–8.
0421
= 0000 0100 0010 0001
=b15---------------b0
Analog input value
Hexadecimal
Eight analog input values are separated by "|".
AD1|AD2|AD3|Battery
analog|External
power
analog|AD6|AD7|AD8
Unit: V
Note: Analog input values in an SMS report are
empty.
Voltage formula of analog AD1–AD3:
0123|0456|0235|1234|03
24|0654|1456|0222