MECHANICAL DATA
Keys	89 keys (including 2 mouse buttons)
Key top style	Protuberant rectangular keys with tactile feeling
Switch Contact Material	carbon-on-gold key switch technology
Key travel	1.50mm±0.10mm
Actuation Force	1.5N±0.2N
Switch life	more than 5 million of operations
Touch pad	sealed and ruggedized tough touchpad
Touchpad cover	Composite
Mutual capacitance sensing
X/Y axis location detection resolution	40 Counts /mm
X/Y position report	relative
Output (self-detectable depending on cable)	USB
Tracking speed	Maximum 1,016 m/sec
Power supply voltage	5VDC ± 0.25V
Current rating (active mode)	< 10 mA
G.W.	0.80KGs
ELECTRICAL DATA
Supply Voltage	DC +5V±5%
Current Rating	30mA when backlight is off, 300mA with backlight on
EMC Standard	EN 55032:2015 EN 55035:2017
Lifespan	> 5 years
Interface	USB
OS	All Windows, Linux, Unix, Mac OSX, Vxworks, Android, (U-cos--To be confirmed).
ENVIRONMENTAL ADAPTABILITY
Operating temperature	-40℃ to +75℃
Storage temperature	-45℃ to +85℃
Operating RH	3%~95%
Atmospheric pressure	60-106Kpa
Saline mist	96 hours, IEC 60512-6
Damp heat test at +40℃	21 days, IEC 60512-6
Dry heat test at +85℃	10 days, IEC 60512-6
RELIABILITY
RoHS compliant, CE and FCC certified, MIL-STD-810H (high and low wide temperature, low pressure, humidity, vibration, shock, temperature shock, rain, salt mist, sand and dust, fungus, solar radiation etc.)
Protection Level	IP65 dynamic (front panel)
Key Lifespan	>5 million actuations
MTBF	>20000H
MTTR	<30min
APPLICATION	Vehicle, aerospace, naval, defense, maritime, Radar, console, portable rugged laptop, UAV ground station etc.

Key Technology Rugged System Ltd

K-TEK-M275TP-FN-BL-ML