- AR: Indicates AR series human-machine interface
- H: High Performance
- T: Handheld
- 070: Indicates display size 7″
- A/B/F/H/C/G/M/X: indicate different opening sizes
070: A/F/G hole size is the same
070: B/H/M hole size is the same - E: means without Ethernet port
S: means with Ethernet port
G: means with 4G module
D: means with can bus bus
W: means with wifi module