Bluetooth

i want to know if the signal of bluetooth is affected by magnetic field or electric field or not If it happens how to protect the signal and make sure that the signal doesn't affected by any external field

mohamedfawzy: i want to know if the signal of bluetooth is affected by magnetic field or electric field or not If it happens how to protect the signal and make sure that the signal doesn't affected by any external field

Yes, but the front end RF filter and other techniques used by the module take care of getting rid of a lot of noise and interference. To reduce EMI, keep your bluetooth module away from metal and other digital circuitry.