Hybrex DK3-31 and Hybrex DK3-21
The Hybrex DK3 series phones were smaller variants of the DK2 handsets. They offered less DSS keys at 10 and a much smaller screen on the 21 and 31 Models. The Hybrex DK3 also tightly matched the DK2-DSS
These are no longer available new. but secondhand handsets can be occasionally sourced.