Explosion proof mobile phone KT267-S1 for coal mines with MA explosion-proof mark

Introduction to Explosion proof Mobile Phone KT267-S1

KT267-S1 mining intrinsic safety mobile phone adopts intrinsic safety explosion-proof technology, has been tested and certified by explosion-proof organizations, and issued explosion-proof certificates and coal safety certificates; Suitable for communication in environments such as coal mines, underground mines, tunnels, etc.

Explosion proof mobile phone KT267-S1 parameters

Environmental temperature: 0 ℃ to+40 ℃; Relative humidity:<90% (+25 ℃); Atmospheric pressure: 80kPa to 106 kPa; Mechanical environment: occasions without vibration and impact; Can be used in explosive environments containing methane and coal dust, but in mixtures of corrosive gases that do not damage insulation; Do not use in environments with strong electromagnetic fields or electromagnetic shielding for mobile phones; Environmental noise: not exceeding 65dB. 4.1 Operating voltage and current: a) Operating voltage: DC3.7V; b) Working current: ≤ 600mA; c) Standby current: ≤ 50mA. 4.2 Battery parameters: a) Battery type: Lithium manganese oxide polymer; b) High open circuit voltage of battery: DC4.2Vc) Short circuit current of battery: 3.0A; 4.3 Wireless transmission parameters; a) Communication protocol: GSM/TD; b) Modulation method: QPSK; c) Working frequency: Reception: 2010MHz~2025MHz; Transmission: 1880MHz to 1900MHz; d) Emission field strength (dBm/m): -10 to -45; e) Receiving sensitivity (dBm/m): ≤ -80. 4.4 Ringing loudness (dB A): ≥ 70. 4.5 Main functions: a) Voice call and SMS functions; b) Status summary display, with Chinese and English interfaces; c) Signal strength detection and caller ID display; d) Support hands-free; e) Phone number record; f) Electricity display; g) Call records.

Our company produces and sells various stainless steel products, and supports customized production of various non-standard products. Stainless steel products are mainly used in fields such as medicine and universities.

<span style="font-family: " pingfang="" sc",="" "microsoft="" yahei",="" "segoe="" ui",="" "lucida="" grande",="" helvetica,="" arial,="" freesans,="" arimo,="" "droid="" sans",="" "wenquanyi="" micro="" hei",="" "hiragino="" sans="" gb",="" gb="" w3",="" fontawesome,="" sans-serif;"="">Our company also can export kinds of stainless steel products, electronic components, wires and cables, automotive and motorcycle accessories, packaging materials, glass products, pipe fittings, lighting appliances; Sales of hardware and electrical products, textile fabrics, bicycle accessories, cosmetics, electromechanical products, ceramic products, and metal materials, as well as import and export of various commodities and technologies through self operation and agency (excluding commodities and technologies restricted or prohibited by the state for company operation or import and export)***