Stainless Steel Mining Weatherproof Emergency Phone - Product

Other Specification : Stainless Steel Mining Weatherproof Emergency Phone Quick Detail: - - - - Place Of Origin | Guangdong, China (Mainland) | Brand Name | Koon/OEM | Model Number | KA-10 | Type | Mining Telephone | Material | Stainless Steel | Wearable | Yes | Waterproof | Yes | Size | 280*150*60mm | Moisture Proof | Yes | Vandal Resistant | Yes | Tamper-resistant | Yes | Lightening Protection | Yes | Lightening Protection Degree | ITU-T K.21 | - - - - Description: - - - - The Phone Matching With Most PABX, PBX And PAX Systems. A Good Ideal Telephone For Use In Wet Or Corrosive Atmospheres 1.2 Key Performance Characteristics Housing: Metal Panels, Strong Anti-riot Handle: Special ABS Plastic, The Overall Structure, Waterproof, Dustproof, Anti-crack, Anti-knocking, Tensile Handle Headset, Keyboard, Buzzer, Circuit Boards, Multilayer Shell With All Accessories Waterproof, Dustproof Structure. Phone, Good Stability, Anti-interference Ability, In Line With The National Standard GB / T 15279-2002 Protection IP54 Housing Having A Grounding Device And An Internal Circuit Electrically Completely Isolated, With Certain Electromagnetic Shielding Effect Call Clear Voice, Loud And Clear Voice, No Feedback Whistle Beautiful Light Machine 1.3 Technical Parameters Ringing Level: 70dB (A) Dual Tone Multi-Frequency (DTMF) Dialing: Frequency Deviation: 1.5%; Low Base Level: -9 3dB; Frequency Group Level: -7 3dB Frequency Combination Of The High-low Difference: 2 1dB; Total Harmonic Distortion At Least Below The Fundamental Level Low 20dB Call Transmission Index: SLR 12, RLR -1, STMR 10, Output Impedance: 600 Electro-acoustic Characteristics: Sending Loudness Rating +2 DB +12 DB Receiving Loudness Rating -8dB -1dB Sidetone Masking Rating Value +3 DB +10 DB 2.Installation Wall To Be Installed In The Appropriate Space Re

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