The RAM Cradle is designed to hold the following Compaq iPaq units:
Compaq iPaq h3600 Series
Compaq iPaq h3700 Series
Compaq iPaq h3800 Series
Compaq iPaq h3900 Series
Compaq iPaq h5100 Series
Compaq iPaq h5400 Series
Compaq iPaq h5500 Series
EXPANSION PACKS: This cradle will hold your PDA if connected to an expansion pack, or left in the original protective cover.
High Strength Plastic
Use with RAM universal ball and socket mount system. Lifetime Warranty