Handheld terminal refers to a portable data processing terminal with the following characteristics.
1. With data storage and computing capabilities (usually with an operating system)
2. Secondary development is possible
3. Can communicate with other devices
4. Human-machine interface, specifically display and input functions
5. Battery powered
6. Recognition distance 30cm
7. Wireless: Bluetooth, wifi, GPRS, wcdma
8. SDK development kit is available
Name: | 6-layer impedance controlled immersion gold PCB circuit board |
Application industry: | consumer electronics |
Application product: | handheld terminal |
Number of layers: | 6 |
Special process: | impedance line |
Surface treatment: | immersion gold |
Material: | FR4 |
Outer line width/line spacing: | 3. 5/4mil |
Inner layer line width/line spacing: | 4/4mil |
Board thickness: | 1. 6mm |
Minimum aperture: | 0. 25mm |