February 22 news, China Telecom yesterday announced that it will officially launch the iPhone 4S on March 9, in addition to Suning Appliance also received the telecommunications version of iPhone 4S first sales authorization. It is understood that all Suning Appliance stores nationwide will begin accepting iPhone 4S reservations starting March 2. The contract plan is the same as China Telecom and is divided into two-year and three-year periods.
Two-year 16GB version iPhone 4S minimum monthly consumption of 389 yuan to purchase zero yuan, 32GB version can be zero yuan purchase from 489 yuan; three-year corresponding zero-yuan purchase 16GB and 32GB version of the minimum monthly consumption of 289 yuan Starting from the minimum monthly consumption of 389 yuan for the 64GB version.
In addition, the telecommunications version of the iPhone 4S uses a card-separated card reader, rather than the “camera card†that was previously transmitted by the outside world.
SP300VAC600W is a switching mode single-channel output high-precision AC power source, it`s cost effective and fully programmable for both basic frequency conversion and advanced AC power line or DC power disturbance test applications. This AC Power Supply adopts high speed DSP+CPLD control, high frequency PWM power technology and active PFC design to realize AC/DC stable output.
APM ac output power supply is featured with high power density, high reliability and high precision, meanwhile it possesses operation interface of touch screen and keys manually. It is able to analog output normal or abnormal input for electrical device to meet test requirements.
Some features as below:
- 4.3"large touch color screen
- AC+DC mixed or independent output mode
- Capable of setting output slope/phase angle
- Built-in IEC standard test function
- Built-in multiple protections
- Built-in power meter
- Support impedance function
- Support for LIST/PULSE/STEP mode & Transient mode
- Standard RS232/RS485/USB, Optional GPIB//LAN
- Support harmonics/inter-harmonics simulation and measuring function
- Support for USB data import/export and scree nap from front panel
600W AC Power Supply,Variable AC Power Supply,Portable Ac Power Source,Ac Voltage Source
APM Technologies Ltd , https://www.apmpowersupply.com