•Multiple spreading factors (SF5 to SF12)
•170 dBm link budget
•Long communication distance, high receiving sensitivity, ideal communication distance up to 2 kilometers
•Low power consumption, 1 μA minimum standby current in sleep mode
•Wide working frequency, working voltage and working temperature ranges; strong anti-interference ability
Supply voltage | 3.0 to 3.6 V DC, nominal 3.3 V | |
Consumption | Uplink with a dongle: RF-LoRa P2P, Downlink with meter: UART | |
Modulation | LoRa | |
Frequency range | ITU-R 433 to 453 MHz / 902 to 928 MHz | |
Protocols | DLMS/COSEM, ANSI | |
Transmission range | Up to 2 km (LOS) | |
Transmission power | 1 to 22 dBm (adjustable) | |
Receiving sensitivity | SF10/125 kHz: -134 dBm SF7/125 kHz: -124 dBm | |
Air transmission data rate | 1.76 to 62.5 Kbps | |
UART data rate | 1200 to 115200 bps | |
Installation | Installed inside meters/dongles | |
Relative humidity | ≤ 95%, non-condensing | |
Limit operating temperature | -40 °C to +85 °C |