Ningbo Joiwo Explosionproof Science & Technology Co., Ltd. WEB: www.joiwo.com EMAIL: [email protected] Product Name: hands-free telephone Product Type: JWAT402 Communication system: Switchboard Defend Grade: IP54 Dimensions: 237 x 133 * 44 Material: Stainless steel 304 Color: stainless steel qualities Electronic sample: Application Widely used in chemical pharmaceutical clean room, elevator, clean room factory workshops and other places. Features 1. The phone can form an independent telephone communication system with program-controlled switches and couplers. 2. The phone can be connected directly to the telecommunications network. 3. After the composition of the call system, each phone is an independent station. The malfunction of any phone 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 telephone quantity. 5.Telephone circuits within the integrated circuit using internationally accepted double-sided, with hair the exact number, call clarity, job stability, etc. 6. Stainless steel housing, high mechanical strength, strong impact. 7. The buttons are flat and smooth without relief; stainless steel, acid and alkali resistance, chemical corrosion resistance, using various cleaning agents for surface cleaning. 8. Hands-free keyboard design, to avoid cross-contamination; phone built-in circuit anti-interference ability, stable voice quality, clarity. 9. You can make an emergency call by pressing SOS button. 10. When the telephone line is busy, the phone will automatically hang up. Technical Parameters Signal voltage DC48V Installation Embedded 1. Press the phone shape button to dial numbers ^The callee’s phone rings. 2. The callee hears ringing ^ Press the phone shape button to answer the call. 3. At the end of the call, press the phone shape button again. 4. The “SOS "button can be pre-set emergency number. You can press “SOS ”to directly dial emergency numbers. Service and Support Under normal use, non-human damage, free one-year warranty; Handset,hook and keyboard are our own production. Selling of accessories is also available;