From the Broadband Development Alliance, on November 22nd, the International Telecommunications Union (ITU) released the "Measure the InformaTIon Society Report 2016", which surveyed the price of ICT services (telecom service tariffs) in the previous year in various countries and regions around the world. Form an IPB index. The report shows that China's various telecommunications tariff levels are at a low level in the global camp.
The IPB Index is an abbreviation for the ICT Price Basket, published annually by the International Telecommunication Union (ITU) in the Annual Report on Measuring the Information Society since 2009. The index focuses on examining the popularization prices of information and communication services in various countries. It is used to reflect the burden of the use of ICT services by the majority of countries and regions at the current stage . It has become an important factor in measuring the affordability of ICT services in countries around the world, especially in developing countries. reference indicator.
From the perspective of the IPB index, the absolute value and relative value of the price of a basket of mobile cellular phones in China are in the low-end camp of the world, ranking high in the international rankings (from low to high rankings).
The absolute price of a mobile cellular phone in China is US$4.00, ranking 22nd among 193 countries and regions, with a relative value of 0.65%. It ranks 37th among 184 countries and regions in the world, and is the cheapest country in the world. The list.
The absolute and relative values ​​of the fixed broadband minimum monthly price are at the mid-level level , and the international ranking is middle (ranked from low to high). The absolute price of fixed broadband in China is 19.27 US dollars, ranking 81st among 190 countries and regions; the relative value is 3.12%, ranking 89th among 182 countries and regions.
The absolute value of the mobile broadband prepaid 500MB minimum price is at the low end of the global camp , the relative value is at the low-end level, and the international ranking is high (ranked from low to high). The absolute value of the minimum price of 500MB for mobile broadband prepaid mobile phones in China is 4.82 US dollars, ranking 36th among 184 countries and regions, with a relative value of 0.78%, ranking 53rd among 178 countries and regions in the world.
APM 40v DC Power Supply is usually used in testing cable or circuit breaker filed. To protect user`s device and the laboratory power supply itself, protection functions of OVP,OCP,OPP etc. could be started according to the requirement.SCP function defaults to ON.
48vdc power supply provides built-in standard automobile electrical testing curves,users can select any built-in curve to do the DUT performance test directly according to their demand.
Some features of the power supply as below:
- Ultrafast respond time and high efficiency
- Accurate voltage and current measurement capability
- Constant Power and wide range of voltage and current output
- Equips with LIST waveform editing function
- Master/Slave parallel and series operation mode for up to 10 units
- Voltage drop compensation by remote sense line.
- Compliant with SCPI communication protocol
- Support RS232/RS485/LAN/USB (standard) ,GPIB (optional)
- Have obtained CE,UL,CSA,FCC.ROHS
40V DC Power Supply,Rack Mount DC Power Supply,Lab Power Supply,Pc Power Supply
APM Technologies Ltd , https://www.apmpowersupply.com