
LoRa low-power wireless meter reading module
Modulation method: LoRaTM spread spectrum
Working frequency: 470~510MHz (can be customized)
Transmit power: 20dBm
Receive sensitivity: -148dBm
Main working voltage: 4v-6v (4 meters dry battery, 3.6V water meter directly)
Backup working voltage: 2.1-3.6V (disposable lithium battery, only gas meter)
Instantaneous emission current: ≤120mA (transmitting power 20dBm)
Sleep mode: ≤4.5uA
Average standby current: ≤20uA
Sleep time: optional 2S, 4S, 6S, 8S, 10S
Breathing time: optional 2ms, 4ms, 8ms, 16ms, 32ms, 64ms
Working temperature: -40~+80c (industrial level)
Operating humidity: 10% to 90% relative humidity, no condensation




