Modification of an Audio Frequency (A.F.) Switch and upgrade of four (4) non-secure telephones
Modification of an Audio Frequency (A.F.) Switch and upgrade of four (4) non-secure telephones
Please contact modification supplier for further details.
STC Status: Amended
STC Date: 22/03/13
Responsible Office: Ft. Worth Special Certification Office (ASW-190), Tel: (817) 222-5190
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