Shockproof Weatherproof Telephone , Industrial Auto Dial Telephones - Product

Other Specification :  Shockproof Weatherproof Telephone , Industrial Auto Dial Telephones Quick Detail: - - - - Place Of Origin | Guangdong, China (Mainland) | Brand Name | KOON/OEM | Model Number | KNSP-04 | Type | Industrial Telephone | Color | Yellow/Red/Blue | Size | 320X205X120mm | Door | Yes | Hook | Yes | Vandal Resistant | Yes | Tamper-resistant | Yes | Lightening Protection | Yes | Weather Resistant | Yes | Weatherproof Degree | IP67 | Lightening Protection Degree | ITU-T K.21 | - - - - Description: Automatically Dial With One Button Call Time Limited Send Address Code Of This Machine, And Code Sending Time Can Be Adjustable High Waterproof, Dustproof Performance, Full Aluminum Phone Cover, IP66 Protection Grade. Sprayed With Imported Reflective Lacquer On The Surface, Bright Color, 5-10 Years Not Fading, Completely Conform To The Standards Of GB/T5237.2-2000. Packaging Specifications Phone Size: 320*230*120(mm) Outside Box Size:439*277*191(mm) Packing Materials: Pearl Cotton Cartons Gross Weight:5.6KG Net Weight:3.8KG Applications: It Is Applied To Highway For Emergency Call, Railway Or Subway For Interval Telephone Call, And Tunnels, Electric Tunnels For Maintenance Call. Specifications: Ambient Temperature:-30 ~ +60 DegreeRelative Humidity:10%~95% Atmospheric Pressure: 86~106Kpa Circumstance Noise:less Than 60dB(A) Sound Level Of Ringing:over 70dB(A). Standard Frequency:low Frequency Group:697. 770. 852. 941Hz, High Frequency Group:1209. 1336. 1477Hz, Frequency Deviation:-1.5% ~ +1.5% If Service Line Is A 3Km Signal - Level: Standard Frequency:low Frequency Group:-12dB~-6dB, High Frequency Group:-10dB~-4dB, Level Difference Between Low And High Frequency Of Compound Signal:0dB~3dB, The Total

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