Board: stm32f103rb GSM: SIM900 RF22: si4432 based 433 Mhz
History
Board: stm32f103rb; GSM: SIM900; RF22: si4432 based 433 Mhz
2015-12-31, by 13beeuishfaq [Thu, 31 Dec 2015 16:20:06 +0000] rev 0
Board: stm32f103rb; GSM: SIM900; RF22: si4432 based 433 Mhz