Anti-theft device using cheap KM-903G sim
https://medium.com/@g9vauar284/high-quality-burglar-alarm-device-using-komax-km-903g-sim-d92faff81638
Why Almost Everything You've Learned About Komax Km-903g Sim Anti-theft Is Wrong and What You Should Know Just take a look at the breaker label to see whether there are extra tabs out there for the solar breaker.