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19
Specifications
Light source
Red diode laser
Keyboard layout
63 key / full sized QWERTY layout
Keyboard size
295 x 95mm projected keyboard size
Keyboard position
60mm from VKB unit
Projection surface
Non-reflective, opaque flat surface
Keyboard
Projector
Visibility
Good contrast up to 600 lux ambient illumination
Ambient illumination
Works under all standard indoor illuminations up to 600 lux
Detection rate
Up to 400 characters per minute
Detection algorithm
Multiple keystroke support
Effective keystroke
Approximately 2mm
Keystroke
Sensor
Operating surface
Any firm flat surface with no protrusions greater than 1mm
Bluetooth
Specification
Bluetooth v1.1 class 2
Bluetooth Profile
Supported
HID and SPP
Range of Frequency
2.4GHz Spectrum
Transmission range
9m
Bluetooth
Number of supported
passkeys
5
Power source
Integrated, rechargeable lithium-ion battery
Voltage
3.6 Volts
Battery capacity
> 120 minutes continuous typing
Interface
Bluetooth v1.1 class 2
Electrical
Connector – to
charger
Vbat, Gnd