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	50/80/200 W panels
Battery Options	Varied	Up to two 18 Ah batteries with integrated enclosure*
Serviceability	Varied	All components user serviceable in the field

*Larger batteries up to 100 Ah are possible with external cabinet option.

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.