Homebrew PCBs

I am in need of several Linx RXM-418-LC-S receiver modules.
The item is no longer made, and I have to do some repairs on
existing systems.

If anyone a lead(s) to where I can purchase this item, please advise.
Mouser, Digikey, etc do not have any.

There is a new version of this module available, but I need the
discontinued version.

Thanks for your assistance.

Roland F. Harriston 
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