Heinrich's HNEX105-FK-SIP Weatherproof Telephones are fully contained within a corrosion-resistant cast aluminium weatherproof case with a door providing complete protection against dust and moisture ingress, resulting in a highly reliable product with a long MTBF. The unique robust handset is manufactured from moulded bulk molding compound and designed specifically to withstand arduous use in all environments, armoured cord provides additional resistance to vandalism or heavy industrial use.

HNEX105-FK-SIP Weatherproof Telephones are designed for use by the railways, power stations, armed services and heavy industry which require very reliable telephony under adverse conditions.