1040-2092 – The power supply is in the cigarette plug. Good for temporary installation in cars. Lite version - Power filtering is minimal. 1 year warranty. CANNOT be converted to flying lead - hard wire version.

All other cradles carry 2 years warranty

1140-2090 – The power supply and comprehensive filtering and power control is in the cradle. This can be converted to a 1140-2091 flying lead version for hard wiring in commercial vehicles – simply cut off the cig plug.

1240-1693 is similar to 1240-1691 but has an in line Molex plug. This allows the cradle to be safely swapped out without having to disconnect the wiring from the vehicle