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Trust Seal, Credit Check, RoSH and Supplier Capability Assessment. company has strictly quality control system and professional test lab.

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We have our own R&D department and spend 10 % of company annual turnover in innovation of our products and technologies.

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We offer presales consultation, shipment service, 2 years in warranty, remote control for technical support and product training.

Shenzhen Yuantong Industrial Weatherproof Telephones

Product Name Industrial Weatherproof Telephone Waterproof IP68 Type IP or Analogue Model YT-SG21 Enclosure material Aluminium alloy with anti-corrosion coating Handset material PC+ABS, stainless steel armored for telephone cable, 200kg loading Keyboard material industrial silicone Full-duplex communication support telephone speaker 3W/8Ω External speaker the PCB can drive max 25W external speaker Power Supply POE/DC12V Telephone Power consumption Less than 5W Operating temperature -40 °C to + 70 °C Warning Light ≥80 db at 1 meter with Flashlight Noise cancelling Optional VOIP Feature Protocol: SIP 2.0(RFC3261) Registration line: 2 lines Codec: G.711A/u, G.7231 high/low, G.729, G.722, G.726 Network: 10/100 Mpbs Analogue Feature Signal Level Standard Frequency Low Frequency Group: 697-941 Hz High Frequency Group: 1209-1477 Hz Frequency Deviation: No more than ±1.5% Level Difference Between Low and High Frequency Signals: 2 ± 1 dB Total Distortion Due to Harmonic Intermodulation: At least 20 dB lower than the basic level Product Name Industrial Weatherproof Telephone Waterproof IP68 Type IP or Analogue Model YT-SG30 Enclosure material Aluminium alloy with anti-corrosion coating Handset material PC+ABS, stainless steel armored for telephone cable, 200kg loading Keyboard material industrial silicone/stainless steel Full-duplex communication support telephone speaker 3W/8Ω External speaker the PCB can drive max 25W external speaker Power Supply POE/DC12V Telephone Power consumption Less than 5W Operating temperature -40 °C to + 70 °C Warning Light ≥80 db at 1 meter with Flashlight LCD display optional Noise cancelling Optional VOIP Feature Protocol: SIP 2.0(RFC3261) Registration line: 2 lines Codec: G.711A/u, G.7231 high/low, G.729, G.722, G.726 Network: 10/100 Mpbs Analogue Feature Signal Level Standard Frequency Low Frequency Group: 697-941 Hz High Frequency Group: 1209-1477 Hz Frequency Deviation: No more than ±1.5% Level Difference Between Low and High Frequency Signals: 2 ± 1 dB Total Distortion Due to Harmonic Intermodulation: At least 20 dB lower than the basic level Product Name Industrial Weatherproof Telephone Waterproof IP68 Type IP or Analogue Model YT-SG50 Enclosure material Aluminium alloy with anti-corrosion coating Handset material PC+ABS, stainless steel armored for telephone cable, 200kg loading Keyboard material industrial silicone Full-duplex communication support telephone speaker 3W/8Ω External speaker the PCB can drive max 25W external speaker Power Supply POE/DC12V Telephone Power consumption Less than 5W Operating temperature -40 °C to + 70 °C extension telephones support LCD display Optional Noise cancelling Optional VOIP Feature Protocol: SIP 2.0(RFC3261) Registration line: 2 lines Codec: G.711A/u, G.7231 high/low, G.729, G.722, G.726 Network: 10/100 Mpbs Analogue Feature Signal Level Standard Frequency Low Frequency Group: 697-941 Hz High Frequency Group: 1209-1477 Hz Frequency Deviation: No more than ±1.5% Level Difference Between Low and High Frequency Signals: 2 ± 1 dB Total Distortion Due to Harmonic Intermodulation: At least 20 dB lower than the basic level

2025-06-03

The Connection Diagram of Our Industrial Telephones

This is one of our solutions with our industrial Telephones. If you want to know how our weatherproof telephone and explosion proof telephone work as a complete system. please check the connection diagram , if any questions, please contact me! We will offer you a solution based on your requests and use case. tony@szyuantong.com WA: 86 199 2640 4701

+86 19926404701

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Zhihui Innovation Center, Building A, Room #607, Shenzhen - 518102, Guangdong, China

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tony@szyuantong.com

+86 19926404701

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