Audio codes MK1 TMX-1A1V single port module. Audio codes M1K-VM-4FXO 4 port FXO module. Audio codes FASB00421/C10 analogue VOIP module. Audio codes M1KB-VM-4FXO-IS-GS quad FXO module. Any item marked as refurbished will have been refurbished and function tested by CJR Electronics and be in a very good condition.
eBay