These are small schemes for modules Cebek C-0503 and C-0504 RF data transmission at 433.92 Mhz. The original layout of the forum I got it T odoPic specifically this entry dogflu66 and signs. This is the module
Tx:
And this is the Rx module:
And these are the module that I've made: 
only thing I added were the green LEDs that indicate whether they are on me or not, will now be easier to play around with them! 
