The Db Minor 7 b5 (A Half Diminished) Arpeggio contains the following notes:

Db – Fb – Abb – Cb

Open Position

Here’s how to play the Dbm7b5 arpeggio in the open position.

Minor7b5-Arpeggio-Frets-Key-Db-Pos-Open-Shape-0
Minor7b5-Arpeggio-Notes-Key-Db-Pos-Open-Shape-0

Db Minor 7 Flat 5 Arpeggio CAGED Positions

Here are the 5 CAGED positions for the Dbm7b5 arpeggio (notes and tabs).

2nd Position (lowest fret is 2):

Minor7b5-Arpeggio-Frets-Key-Db-Pos-2-Shape-3
Minor7b5-Arpeggio-Notes-Key-Db-Pos-2-Shape-3

3rd Position (lowest fret is 3):

Minor7b5-Arpeggio-Frets-Key-Db-Pos-3-Shape-4
Minor7b5-Arpeggio-Notes-Key-Db-Pos-3-Shape-4

5th Position (lowest fret is 5):

Minor7b5-Arpeggio-Frets-Key-Db-Pos-5-Shape-5
Minor7b5-Arpeggio-Notes-Key-Db-Pos-5-Shape-5

9th Position (lowest fret is 9):

Minor7b5-Arpeggio-Frets-Key-Db-Pos-9-Shape-1
Minor7b5-Arpeggio-Notes-Key-Db-Pos-9-Shape-1

11th Position (lowest fret is 11):

Minor7b5-Arpeggio-Frets-Key-Db-Pos-11-Shape-2
Minor7b5-Arpeggio-Notes-Key-Db-Pos-11-Shape-2

Further Reading:

guitar course pic yellow