i think the problem is in the

[D.V.G. Krishna]

i think the problem is in the RF module

when i checked the data sheet 

i found that 434 RF module works at 1.2kb speed

so i think if we use baud rate higher than it we may get random data

 

some people say that RF moduls works on “monchester coding”

so the data must be de coded  at the reciver