MountGuys Blog

May 21, 2013

The AMPS Mounting Pattern

Filed under: Other Mounts & Accessories — Tags: , , — mountguys @ 11:33 am

The mounting industry does not have an official standard but the AMPS pattern might be as close as you can get.  The AMPS pattern is a series of four holes aligned in a rectangular pattern.  Some manufacturers use two of the four holes while maintaining the AMPS pattern spacing dimensions.  Manufacturers that have mounts that align to AMPS are RAM, Arkon and Pro-clip.  There are many others as well.

The AMPS pattern consists of four holes located in a rectangular pattern spaced 1.188″ by 1.813 inches.  Some manufacturers also have 2-hole adapters that support the diagonal measurement of 1.912 inches.  The AMPS pattern is fairly well known in the HAM Radio industry where many head plates use that 4-hole pattern.  Another common AMPS compliant area is satellite radio.  Almost all of the recently introduced radio cradles have the 4-hole AMPS pattern on the back.

Certain manufacturers like RAM have made almost all of their custom cradles AMPS compliant and use a series of AMPS adapters to attach it to their ball and socket mounts.

The AMPS mounting pattern

The AMPS mounting pattern

AMPS Camera Attachment

AMPS Camera Attachment

 

The back of a Sirius cradle with Arkon's AP012 adapter

The back of a Sirius cradle with Arkon’s AP012 adapter

RAM's RAM-B-347U AMPS adapter with 1" Ball

RAM’s RAM-B-347U AMPS adapter with 1″ Ball

 

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