2 Pz SIM800L Modulo GPRS Scheda Gsm Micro Sim Card Porta Seriale TTL Quad Band C
2pcs SIM800L GPRS GSM Module PCB Antenna SIM Board Quad band. Chip: SIM800L. 2 x SIM800L GPRS GSM Module. Non è necessario MAX232. Non ho bisogno del MAX232. No need MAX232. Useful Link Suitable for xDrip Parakeet project.