Mining intrinsically safe PA phone The device is a kind of mining intrinsically safe broadcast communication, signal communication and alarm device. It is suitable for the environment where the coal gas and coal dust are explosive and dangerous in the coal mine. The telephone can be self-expanded as communication and dotting signal liaison system, and can also be matched with other electric control devices, locking the equipment and ensuring the safety of the personnel and the equipment. Wantai is specialized in producing combined monitoring system and Explosion Proof Control Box, Vacuum Electromagnetic Starter, etc. Our products are very popular, if you are interested in our products, please contact us as soon as possible. The product adopts fast-plug connector, simple and convenient wiring to reduce the loss bursting point, easy to maintain The floating battery pack is built-in, thus the communication is ffected when external power supply is interrupted temporarily The digital voice communication technology is adopted to realize automatic gain control, so as to ensure that the calls are clear and undistorted The product adopts the modular structure and is sealed with epoxy resin. It is damp proof, shockproof and easy to maintain stop lock output control signal With emergency It can be used in conjunction with our companys KHP144-K mine belt conveyor protection electronic control device to realize fault alarm along the line Main technical parameters Intrinsically safe parameters Power supply: Ui: 18.5V, Li: 700mA Battery powered: Uo: 9.8V, Lo: 500mA Working voltage: 9.6V
Cctv camera, cc camera,ip camera, wifi camera, security surveillance system, pabx, intercom, video intercom, epabx, ip pbx, ip phone, pa system, sound system, public address system.
Features: 1. secure automatic answering of cell phone calls. 2. 1200m Bluetooth communication distance between the five intercom lines. 3. support mp3 / GPS / cell phones. 4. eight hours of talk time. 5. automatic pairing link with cell phones with NFC function. Specifications: Bluetooth version: 5.1 Remote control distance: 10M Chip: CSR BC5 Battery capacity: 550 Battery type: Polymer Charge and discharge times: 500 Operating voltage: 3.3V-4.2V Talking time: 8 hours Standby time: 120H Charging time: 2.5H Radio frequency band: FM87.5~108MHz Speaker power: 0.25W Operating temperature range: -10 to +45 Charger specification: DC 5V 1000mA
Mobile phone accessories, screen protectors, wireless charger, cable, etc..The oem / odm / obm professional manufacturer, exported goods to global market.
Features: 1. Two ways intercom 2. Support flat call flat 3. Wide view angle design 4. Powered on indoor monitor 5. DIY design, easy to installation 6. Built-in memory design (Optional) 7. Support unlocking and monitoring 8. 4 wired connection, easy to operate 9. High definition and normal cameras for optional 10. Super slim housing, good for placing in anywhere 11. Support 2 call panels + 4 indoor monitors (Optional) 12. LED night version design, easy to see in dark environment Outdoor station: Material: Aluminum alloy panel Camera: CCD View Angle: 120º Resolution: 600TVL Mini-Lux: 0.1 Lux Functions: Calling and talking Working temperature: -25 to 65°C Environment temperature: -35 to 75°C Working Voltage & Current: DC12V/1A IP Rate: IP55 Installation: Surface mounted Color: Silver Dimensions: 134.5 x 59.5 x 40.5mm 7 Inch video door phone Doorbell Intercom Kit 1-camera 1-monitor Night Vision7 Inch video door phone Doorbell Intercom Kit 1-camera 1-monitor Night Vision7 Inch video door phone Doorbell Intercom Kit 1-camera 1-monitor Night Vision Indoor monitor: Plastic Shell Color: White/ black Screen: 7 inch LCD/TFT Installation: Surface mounted Functions: Talking/unlocking/monitoring/calling Resolution: 800 x 480 Working Voltage & Current: DC12V/1A Working temperature: -25 to 60°C Dimensions: 220 x 138 x 20mm 7 Inch video door phone Doorbell Intercom Kit 1-camera 1-monitor Night Vision7 Inch video door phone Doorbell Intercom Kit 1-camera 1-monitor Night Vision Packaging & Shipping White giftbox with out carton And it is suitable shipped by sea, by air, by express, by train, by truck, or any other shipping ways. Our Services 1. We can offer the samples free for testing, and the customers should pay the freight. 2. The warranty is two-three years 3. We are the customs registered, and have the authorization to do the Export & Import business. And we have professional employees to complete all the works of Export & Import. We have customer service center, you can ask for help from our customer service center, and we will action accordingly. Or you can download the data information from our center. And you can get the details on our website. FAQ If you have any questions please feel free to contact me by email, we are sure that your messages will be responsed within 24 hours.
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