This is a professional industrial wireless stainless steel keyboard with touchpad integrated. With ON/OFF button on the side of the keyboard for easy activation. Ruggedized touchpad for fast cursor motion. Two mouse buttons for left and right-clicking. Wireless 2.4GHz USB receiver up to 10 meters. Desktop version.
 
①High-quality 304 stainless steel is stamped, and the bends are seamlessly welded to improve protection.
②Industrial-grade PCB board, immersion gold contacts, sensitive contact.
③Industrial grade silicone, the key life is 500,000-1,000,000 times. ④The electronic circuit adopts anti-interference and anti-radiation design to ensure the continuous and stable operation of the equipment.
⑤ The use of specific chips can minimize power consumption and prolong the use time of the product.
⑥Working in the 2.4G frequency band (2400Mhz~2483Mhz), the maximum transmission gain is 5DB, and the maximum transmission distance can reach 10 meters.
⑦Multi-channel frequency hopping technology can effectively improve the anti-interference ability of the chip.

Attention! This product is shipped without batteries, and the keyboard needs to use two 3A dry batteries. The battery is purchased by the user.

Product Description
Model Number: FHJ3W
Dimensions: 420*150*28mm
Wireless type: 2.4GHz
Maximum transmission distance :10 meters
Voltage: DC 3 V ± 5%
Working Current rating: 13ma
Sleep current: 80ua
Maximum reporting rate: 100hz
Working frequency band: 2400Mhz~2483Mhz
Maximum gain: 5DB
Number of Keys: 89 keys
Material: 304 stainless steel
Key travel:1.5mm
Protection Level: IP65(front panel) 
Operating temperature:-40℃ ~+70℃
Storage temperature: -50℃ ～ +80 ℃ 
CE 、FCC、RoHS Compliant
Support:Windows7,8,10 Linux, Mac,etc
MTBF >50000H 
MTTR <30min

Application
This Keyboard is mainly use for Coal mine, chemical industry, and other industrial equipment.