... modemSets telephone number to callTell the data logger at what time it has to callCertificatesCompliant ... china01RM/RMTGSMEthernetCharacterisation of the operating performanceSystem voltage12v(24)Logger capacity1Mbit=2min.(11 days)—4h (4 years) ... current, solar module current, loadcurrent, SOC, battery voltage, system status, analog sensorSystem status informationnight, overload, load disconnect, ...