Following are the difference between IrDA and bluetooth
| IrDA | Bluetooth |
|---|---|
| Infrared light as communication media. | Radio frequency of 2.4 GHz is used as communication. |
| It has max data rates is 4Mb per second. | It has max data rates is 1Mb per second. |
| Infrared only works between two devices at a time. | Bluetooth can work with as many as mobile device. |
| The open loop control system is more sensitive to noise. | The close loop control system is less sensitive to noise. |
| Its communication range is up to at least 1m. | IIts communication range up to 100m. |
| IrDA has strong security. | Bluetooth has less security. |
| It has point to point connection with narrow angle of 30 degree. | It has multipoint connection with Omni-directional. |
| IrDA is useful in LAN (Local Area Network) technology. | Bluetooth is useful in personal area network . |
| Communication is blocked by obstacles that block light as infrared light is used in line of sight. | Communication is not blocked by obstacles that block light as radio waves are used. |
| It has poor accuracy. | It has better accuracy. |
