Bisa pakai telkomsel IOT untuk menangani pemblokiran IMEI
Module Type: SIM800L (latest module performance over SIM900 / M590) Operating voltage: 3.7 ~ 4.2V (peak current 1A, please do processing) Support Network: China Mobile, China Unicom and global quad-band network Module size: 2.5cmx2.3cm Serial to TTL serial port can be used with a direct link to the microcontroller. You do not need MAX232 The module is powered automatic start, homing network Onboard signal lights all the way (the signal slow flash, no flash signal) The world smallest size, by no less than the module of the GSM module Full chip processing machine, reflow soldering, stable performance Factory Outlet