Example:
"Ver:02.00.01_06 GPS:AXN_3.80_3333_16070400,0000,, Hw:FMB120 Mod:4 IMEI:352094082042885 Init: 2017-6-16 5:54 Uptime: 16574 BT:31F5BFE66261"

Response details Description
Ver Firmware version.
GPS Version of GPS module.
Hw Version of hardware.
Mod Hardware version modification.
IMEI Device IMEI.
Init GPS receiver state. 0 – OFF, 1 – ON without fix, 2 – ON with fix, 3 – In sleep mode.
Uptime Total up time (in seconds).
BT3 Bluetooth address.
SPC Spec ID.
AXL Accelerometer type.
OBD Displays OBD chip ID.
BL BL version.
BT Device MAC address.