Environmental Monitoring Alarm GMS 3G 4G LTE Temperature Humidity Power Off Alarm with Sensor

Feature: 1. SUPPORT NETWORK: The host supports GSM 3G 4G network communication, which is not limited by distance and can be used anywhere. 2. MICROPROCESSOR: Built in microprocessor to monitor the power supply voltage value, the measuring range is 0?36V, no need to purchase. 3. CALIBRATION OUTPUT: AM2301 digital temperature humidity module is temperature humidity composite sensor with calibrated digital signal output. 4. STATUS REPORTING: The current status can be auto reported to the first user number at a fixed point or periodically, the alarm history can be queried via SMS. 5. AUTHORIZATION NUMBER: Supports 10 user numbers and can receive alarm messages, the last 5 authorized numbers can receive alarm phone reminders. Specification: Item Type: Environmental Monitoring Alarm Material: Metal Working Voltage: Standard power supply 12VDC, support 9-36VDC Power Consumption: Standby: 20mA at 12V; Maximum Power Consumption: 150mA at 12V GSM Frequency: 850MHz 900MHz 1800MHz 1900MHz (default) 3G Network Format: 3G WCDMA (optional) 4G LTE Band: 4G LTE (optional) SIM Card Interface: Support 3V SIM Card External Antenna: SMA antenna interface, 50 Ohm Temperature And Humidity Input: Host: -40-80 celsius , RH: 0-100 percent AM2301 Sensor: Temperature Measurement Range: - 40 celsius -80 celsius , Accuracy: +/-0.5 celsius Humidity Measurement Range: 0-99.9percent RH, Accuracy: +/-3percent RH (sensor Wire Length: 10 meter / 32.8ft) Input Temperature Measurement Range: -55-125 celsius , Accuracy: +/-0.5 celsius Analog Input: 4-20mA Phase Power Input: 100-500VAC Battery: 1 x 3.7V 900mAh lithium battery (built in), lasting for 8 hours Working Temperature Range: -10 celsius -60 celsius Operating Humidity Range: Relative humidity 95percent (no condensation) Product Size: Approx. 70 x 88 x 30mm / 2.8 x 3.5 x 1.2in. Package List: 1 x Alarm1 x Sensor1 x Antenna1 x Power Adapter1 x User Manual