phone billing meter

Detailed Product Description Features: 1) With large LCD screen 2) Realize management by center network management system 3) Complying with the technology requirements and testing means for multi-ports meters promulgated by the Ministry of Information Industry of China 4) Can be input many kinds of tariff rates, such as rates of international, internal,local, free and forbidden calls 5) Signal for billing startup: polar-reverse, 12 / 16k Hz pulse, manual or delay automatically 6) Identifies call number automatically and the tolerance is less than 1 second 7) Can trace the last 1,000 records of telephone number, duration, and total sum 8) Total automatically daily subtotal sum and the last 32-day grand total amount 9) With inner modem, supporting the function of network center manage, tariff ratedownload and phone bill upload 10) Anti-lightning, anti-jamming design and steady performance 11) With rechargeable batteries, it can at least work for 8 hours after power cut 12) With LCD display 13) Remote display box for option 14) Function of phone bill printing for option Conditions:1) Environment: away from rain, sun, high temperature, dust, alkali, acid, strongvibration situation or strong electromagnetic wave 2) Atmospheric pressure: 86KPa - 106KPa3) Relative humidity: 10% - 90% 4) Noise: