numeric mobile phone function keypad

main features

1.special engineering plastic frame

2.zinc alloy chromed keys, vandal resistant

3.conductive rubber made of nature silicone

4.waterproof corrosion resistance,ageing resistance

5.double-sided board,good for contact of goldfinger

6.epoxy resin gilding PCB                

technicalparameters

1.force 160-180 grams,nimble dial-up

2.contact resistance < 100Ω

3.service life ≥ 500 thousand

customer choice

1.button chrome-plated colors:polished or sandblasted chrome

2.color of the frame:polished or sandblasted

3.other usage keypad is available besides using for telephone

4.access control,digital look system,cabinet security etc

package

1.packing:42pcs/ctn

2.carton demension: 420*350*115mm