These features are in common
- Both are motion detectors made by Texas Instruments that can connect directly to TI calculators
- Both require 4 AA batteries when used with TI calculators
- Both have a I/O (dBus) port for connecting the unit to a calculator using a link cable (included)
- Both have a trigger button
- Both have a BTD port so they can be used with an interface−LabQuest Mini, LabQuest Stream, LabQuest 3, LabQuest 2, original LabQuest, LabPro, CBL 2, CBL, TI-Nspire Lab Cradle, and Sensor DAQ− requires standard motion detector cable
Here is how they are different
| Feature | CBR 2 | original CBR |
|---|---|---|
| The minimum distance from the detector | 0.15 m | 0.50 m |
| Sensitivity switch for use with cart and track systems | Yes | No |
| USB port for use with TI-84 Plus and TI-Nspire calculators | Yes | No |
| Includes mini-USB cable (for TI-84 Plus or TI-Nspire calculator connection) | Yes | No |
| Supports direct connection to a computer or Chromebook; requires Go!Motion to Computer Cable (GMC-USB) |
Yes | No |
| Supports Ranger program transfer to TI-82/83, TI-86, and TI-92 calculators. | No | Yes |