Infrared has traditionally been the first choice for most home entertainment remotes because of its ease of use and low cost solutions. However, with the integration of more advanced functionality, user interfaces and need for products that required to be used in another room, radio frequency and Bluetooth technologies are fast becoming the new standard.
Infrared (IR) Technology
An infrared (IR) remote control is often bundled with many consumer electronics. IR transmit and receive systems are inexpensive and are generally reliable. The carrier frequency of such infrared signals is typically in the order of around 38 kHz.
There are many different coding systems in use and generally different manufacturers use different codes and different data rates for transmission.In most cases, the IR signals are send only one way, in a low-speed burst for distances of up to 30 feet.
Radio Frequency (RF) Technology
Unlike infrared (IR) remotes, which are the most common, Radio Frequency (RF) remote controls are easier to use because they do not require line of sight and do not have to be aimed at the equipment. The RF remote can also be operated from another room. Held in the hand like a cellphone, the buttons are pressed in the same straightforward manner.
In many ways RF communication is the ultimate solution for remote control communications. It offers greater range than IR. It is omni-directional and allows the control of devices in other rooms. The global acceptance of 2.4GHz RF makes it the best choice for most of our OEM customers.
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