Receiver 5.3 KHz for Arduino

H, how I have comment I'd like to make a receiver for a heart rate monitor who work in that frecuency. Sorry for my bad english I'm Spanish. Thanks you a lot.

I didn't use Google Translate

jbaenaxd:
H, how I have comment I'd like to make a receiver for a heart rate monitor who work in that frecuency. Sorry for my bad english I'm Spanish. Thanks you a lot.

Is this a wired connection or RF (Radio Frequency)?