Underground mine phones, mode KTW255, designed in strict accordance with i Intrinsically safe standards, IP68 protection level, suitable for underground coal mines with explosive mixtures such as methane and coal dust, and can also be used in chemical zone 1, 2, and combustible dust environments.
Parameters of Mine Explosion Proof Phone
Explosion-proof Type Coal mine explosion-proof: Ex ib I Mb
Chemical explosion-proof: Ex ib IIC T4 Gb
Dust explosion-proof: Ex IBD 21 T130?
Format And Frequency Band CDMA EVDO: Bc0
GSM: B2 B3 B8
TD-SCDMA: B34 B39
WCDMA: B1 B5 B8
LTE-FDD: B3 B1 B5 B8
LTE-TDD: B34 B38 B39 B40 B41
Dual SIM Support dual card, require LTE G/C/W/L, support main and auxiliary card switching, support SIM card hot-swap
Voice Solution Telecom dual SIM dual Volte, support WCDMA WB HD calling
Appearance Size 165mm77mm11.5mm
Operating System Android 9.0
Processor Huben T310
CPU Shark L5
Body Memory 6 128GB, extended storage T card can support 128G
Body Screen 5.7 inches, resolution 7201440, touch-type IN CELL, screen type TFTIPS
camera Pixel Front 8 million pixels, rear 13 million pixels, support flash
Light Sensor Support
Distance Sensor Support
Gravitational Acceleration Sensor Support
USB Interface Type C doesn't support the OTG function
Headphone Jack Type C
Loudspeaker Front 2.5W, dual MIC
WLAN Protocol 802.11a/b/g/n/ac
Satellite Positioning GPS BDS
Touch Key Category Virtual
Battery Capacity Chemical version 4600mAh, coal mine version 3600mAh, charging time ?5 hours, with 5V 2A charger
Protection Class IP68
Features of Mine Explosion-proof Mobile Phone
Coal Mine Explosion-proof Mark
Ex IB I Mb, chemical explosion-proof mark: Ex IB IIC T4 Gb, dust explosion-proof mark: Ex ibD 21 T130?.
Android 9.0 System
Huben T310 processor, running fast.
5.7-inch Touch Screen
7201440 resolution, suitable size.
The Body Memory 6 128Gb
large capacity storage.?
The First 8 Million
the last 13 million pixels were taken clearly in the coal mine.
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