Now it's time for questions.....Which one suffers/ creates more EMI ?Which one emits more radiations?Which one will be better supported in the future? ( i suppose 8266)Which one would you use control your house?
ESP8266 must be near to router to get signal
nrf24l01 need to pass through rapsberry core
the esp8266 can act as an access pointbut don't expect much - it is not near powerful enough to to be a routerin short - the esp8266 can create a simple, unprotected network you can connect tosource: http://www.labradoc.com/i/follower/p/notes-esp8266