Rachmaninow:
@OldSteve:
according to you suggestion to use another transceiver, i googled it:Configuring an APC220 RF transceiver with Arduino | Allodoxaphobia
Looks like I need to implement another library, and that is the point. I have a intensive time-probleme, so I think i will try the Dipol-antenna! But thank you anyway!
Just normal serial, at up to 115200 baud if you're sending less than 256 bytes at a time. (19200 baud for continuous transmission). This is much faster than the maximum data rate of most of those cheap transceivers. For the ones that I buy, the TX is max 8kbps, RX is 4.8kbps. Not even in the same ballpark as the APC220.
And you wouldn't need to add any library at all if you use hardware serial. If "SoftwareSerial", just that library. No others are needed.
The only downside with these modules vs the el-cheapo type is cost.