Any Info re Cobra 5801 alarm on a UK '94 9000CSE?

Hi does anyone know:
Was the Cobra 5801 alarm a Saab fitting in 1994? If it was were they reliable? I've seen this alarm fitted to similar cars at the breakers. We
have the alarm key but no remote. The alarm is switched off
We have a Cobra remote from another 9000 (now at the breakers) could it be programmed to operate?
Any info at all gratefully received especially a contact for the manufacturer
TIA Frank
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