Sonim is the market share leader in Intrinsically Safe GSM mobile phones, together with our specialist partner Ecom Instruments. Sonim and Ecom have collaborated to offer co-branded phones including models that are certified to meet key European and North American standards : ATEX Zone 1/21 and ATEX Zone 2/22. These include models with a camera at a fraction of the cost of intrinsically safe cameras, and without a camera where homeland security considerations prohibit the presence of cameras. Sonim's leadership lone worker/man down protection phones are also available in Intrinsically Safe versions. Sonim Rugged Performance Standards define the ultra-rugged category with beyond MIL-SPEC toughness, including an unrivalled IP-68 rating and resistance to a variety of industrial chemicals including petroleum oil and antifreeze, operation on the oil or gas field in temperatures from 20 ° C to +55 ° C and with vibration resistance suitable for use in drilling and mining operations.