What are the feature changes from legacy radar speed signs to SPEEDCHECK-MX?
This article details product features and enhancements between legacy radar speed signs and MX Series based SPEEDCHECK-MX.
Product applicability
The following products are discussed in this article:
- SpeedCheck: SPEEDCHECK-12, SPEEDCHECK-15, and SPEEDCHECK-18
- MX Series: SPEEDCHECK-MX
Carmanah released the SPEEDCHECK-MX connected radar speed sign in 2025 Q1. These systems differ significantly from previous generation Carmanah radar speed signs. Please refer to the information below for a comparison between
| Legacy SpeedCheck | SPEEDCHECK-MX | |
| LED Digit Sizes | 12", 15", 18" | 12", 15" |
| LED Display Type | 7-segement | LED grid |
| Architecture | All different designs Segmented options and features |
Unified design Same features and options |
| Remote Connectivity | Optional, field installation, higher power draw | Standard, factory integrated, lower power draw |
| Local Connectivity | Bluetooth with PC software or mobile app | Bluetooth, all systems use MX Field App |
| Software | SpeedCheck Manager (legacy PC) SpeedCheck Manager PC BLE SpeedCheck Manager Mobile |
MX Field App MX Cloud |
| Optional Beacons | 15" and 18" only | All models |
| Optional Strobes | 12" and 15" only | All models. Up to two strobes - white or red & blue |
| Optional Slow Down Message | 15" and 18" only | All models |
| Optional External Radar | 15" and 18" only | All models |
| Optional Tilt Bracket | 15" and 18" only, bracket not universal | All models - universal tilt bracket |
| Solar Options | Varied | 50/80/170 W panels |
| Battery Options | Varied | Up to two 18 Ah batteries |
| Serviceability | Varied | All components user serviceable in the field |
For a complete feature comparison between SPEEDCHECK-MX power modules please see our article here.
For installations that require an 18" LED digit size, the SPEEDCHECK-18 is available until further notice.