Specifications

GV200 @Track Air Interface Protocol
TRACGV200AN003 – 230 –
Cell Number 1 0~7
GTGIR
MCC 2
MNC 2
LAC 2
Cell ID 2
Reserved 1
RX Level 1 0-63
Send Time 7
YYYYMMD
DHHMMSS
Count Number 2 0000 – FFFF
Checksum 2 0000 – FFFF
Tail Characters 2 0x0D 0x0A
0x0D
0x0A
 <Message Type>: The ID of information report message.
Command ID
+RESP:GTINF
1
+RESP:GTGPS
2
+RESP:GTCID
4
+RESP:GTCSQ
5
+RESP:GTVER
6
+RESP:GTBAT
7
+RESP:GTIOS
8
+RESP:GTTMZ
9
+RESP:GTGIR
10
 <Report Mask>: It refer to the <+INF Mask> in AT+GTHRM.
 <Unique ID>: If the Bit 1 of <+INF Mask> is 0, IMEI of the device as the unique ID of the
device. IMEI is a 15-digit string. In the HEX format message, each 2 digits are encoded into
one byte as an integer.
IMEI 13
57 90 24 68 11 22 0
HEX 0D
39 5A 18 44 0B 16 00
If the Bit 1 of <+INF Mask> is 1, use the device name as the unique ID of the device. The
device name refer to the <Device Name> in AT+GTCFG. Device name is 8-bytes string, if
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