Model Number: KB20A Brand Name: Promag Key Specifications/Special Features: KB20A is a fully programmable input device that providessimultaneous connection of another keyboard. KB20A also serves as astandalone keyboard that is great for dedicated applicationsSpecifications:KeyboardCherry mechanical switchKey pitch: 19.05mm

Key stroke: 4mm

Operating force: 60 +/- 20gf

Rollover method: Pseudo N-ky rollover

Key switch contact resistance: less than 200m Ohms type, 20MOhms

Key switch bouncing time: 5ms

Key switch lifetime: 20M operations per key

Key scan code memory: 480B per key

Serial reader interface (RS232)

ISO format standards (MSR)

Barcode or ASCII data input

Supports power output to DTR pin (5V DC maximum, 50mA)

RS232 parameter, 9600, N, 8, 1

Environment:

• Operation/storage temperature: 5 to 45 degrees Celsius/-10 to60 degrees Celsius
• Humidity: 10 to 90% relative

Power consumption: 5V DC, 50mA typical

Dimensions: KB20A 108 x 177 x 37mm

Weight: 280g