There are 3 types of 5 button handsets check below. Give us a call if you are not sure.
5 Button Handset that is fitted with Jack Plug Key.... TH1-1003-002 8 Pin 90deg.Din with Yellow Band NITH 558
5 Button Handset that does not have a jack plug key fitted TH1-1027-001 8 Pin 90deg.Din with Yellow Band used on Seattle intalift NITH 885
5 Button Handset that does not have a jack plug key fitted TH1-1050-002 8 Pin Straight Din with Yellow Band NITH 985
4 buttons handset with Yellow band is now no longer available but you should use the 5 button NITH 558 which will work.
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