This phone applies to subway, highway, power plant, oil station, angry station, pit, pier, steel company and large scale project etc., is dampproof, fireproof for preventing dust , defence dry , prevent frostbite and guard against destructiveness, interference rejection and the noise etc. environmental use that has special requirement product major characteristic:
1.shell:
The casting of aluminium alloy
2.door cover:
With the spring hinge of stainless steel, since closing , it is sexual and good , shell door axle has spring, shell door can be automatic to spring to return, lock can also deduct voluntarily , can add outside lock , has better protective role
3.handle:
Special ABS project is plastic , fight to knock attack
4.handle send receiver, keyboard, buzzer, circuit board and all shell accessories adopt multilayer waterproof, dustproof structure. Have 3 level waterproof, dustproof functions, overall grade reaches national standard GB4028-93 IP66 to get certificate
5.stability good, the ability of interference rejection is strong , accords with national standard GB/T15279-94 to get certificate