It is not of much use without a computer.
The item id for PS Computer Keyboard in unturned is 59038. You can use this ID with the commands below to spawn the item, give it to a player or buy it on a modded economy server.
Size_X: 2
Size_Y: 1
Size_Z: 0.3
Blueprints: 1
Blueprint_0_Type: Gear
Blueprint_0_Supplies: 1
Blueprint_0_Supply_0_ID: 59038
Blueprint_0_Outputs: 2
Blueprint_0_Output_0_ID: 59016
Blueprint_0_Output_0_Amount: 1
Blueprint_0_Output_1_ID: 59028
Blueprint_0_Output_1_Amount: 2
Blueprint_0_Tool: 59004
Blueprint_0_Build: 27