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Diode, It is the basic component in a circuitry. Diode is used to control the directional flow of electric current in the circuitry. Resistor and

For RF product, it may need another IC, RF transceiver, for communication and special SAW resonator to work in different frequency range. SAW Oscillator SAW

Backlight on device makes key button or LCD glow at dim environment for better user experience. There are 3 main streams of backlight. CCFL ?

A printed circuit board, PCB, is mechanically support electronic components that connected by signal traces that etched from copper foil over a non-conductive board. A

4.14 Battery and Power Supply Battery import into EU countries should meet battery directive 2006/66/EC with amendment 2013/56/EU for strictly control the concentration of Mercury

? Normally use auto voltage switching type for universal voltage adoption 110- 240VAC ? Different plug type and shape need approval for different countries. ?

For battery operate product, there is a battery compartment for installing batteries connect to the internal circuitry. The battery contact is metal in either form

For general remote controller enclosure, there will be top cabinet, bottom cabinet, battery door, lens, and rubber keypad. Additional parts are light guide, inlay, keycap

There are various key actuation methods for remote control. Rubber Keypad ? The most common and simple method ? It provides adequate key actuation feeling