Product Name: Jail span class="Apple-converted-space"> Product Type: JWAT137 Communication system: Switchboard Defend Grade: IP65Dimensions: 287.5 × 135 × 75 Material: Stainless steel 304 Color: stainless steel qualities Electronic sample:
Suitable for inside prisons, labor camps, drug rehabilitation and other intercom, communication and other places which need monitoring.
1. The can form an independent communication system with program-controlled switches and couplers. 2. The can be connected directly to the telecommunications network. 3. After the composition of the call system, each is an independent station. The malfunction of any doesn't affect the whole system work. 4. After the composition of the call system, the product has an automatic gain function, and the voice does not vary with distance or quantity. 5.circuits within the integrated circuit using internationally accepted double-sided, with hair the exact call clarity, job stability, etc. 6. Stainless steel housing, high mechanical strength, strong impact. 7. Key parts of the handset and the hooks are both produced by our own company; Quality control strictly; After-sale reaction fast. 8.Volume can be adjusted. 9. There's an area to place an instruction card in front of the
span> | DC48V |
Standby work current | ≤1mA |
Frequency response | 250~3000 Hz |
Ringing level | ≥80dB |
Protection class | IP54 |
Corrosion grade | WF2 |
Ambient temperature | -40~+60℃ |
Atmosric pressure | 80~110KPa |
Relative humidity | ≤95% |
Lead hole | 1-Ø15 |
Machine weight | 3kg |
Installation | Wall-mounted |
1. The caller takes off-hook, dial the callee's → the callee's rings. 2. The callee hears ringing → pick up the handset to answer the call, both sides under normal conversation. 3. Press "VOLUME" button to adjust the volume during the call. 4. At the end of the call, hang back the handset.
Ningbo Joiwo explosionproof technology Co., LTD was eastablished in May, 2011. With the advantages of our many years' experience in public and industrial , we enter industrial field and registered Joiwo as our trademark. We develope and design all of our items and are applying patents for our new designs. Our products are widely used in manufacturing sites of steel, vessel, petroleum and chemistry etc.. waterproof grade of all of our reaches IP66.
Our purpose is to provide high-qulaity products with competitive prices, to create development opportunity for our employees. We Joiwo belive efforts would be paid off! Superior-quality products and exceptional service help win customers. We are working on them to make Joiwo be the trust-worthy brand in this field. The meaning of Joiwo is to bridge the gap of the world. We are willing to create a beautiful future of industrial telecommunication with others in the same trade. We belive the development of a usiness needs the joint effort of all traders in the same y the his business developes well, each company has its space to develop.
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