Slamtec RPLIDAR S2 vs A3M1

Can someone explain the differences in the S2 Lidar verses A3M1 ? I know the have different laser frequencies (905 v 785 nm) and sample rates (32k vs 16k) but what makes the A3 $200 more than the S2?

Hello @DrSutherland ,

Welcome back to RobotShop community.

If you compare the specifications of these two Lidars, you will notice the difference:
https://www.slamtec.com/en/Lidar/A3Spec
https://www.slamtec.com/en/S2/Spec

Some points like Scan Rate and Range Accuracy.

Let us know if you have further questions.

Sincerely,