The Dragino RS485-NB is a RS485 / UART to NB-IoT Converter for Internet of Things solutions. User can connect RS485 or UART sensor to RS485-NB converter, and configure RS485-NB to periodically read sensor data and upload via NB-IoT network to IoT server.
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RS485-NB -- RS485/UART to NB-IoT Converter
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Product Highlights
NB-IoT Bands: B1/B2/B3/B4/B5/B8/B12/B13/B17/B18/B19/B20/B25/B28/B66/B70/B85 @H-FDD
Ultra-low power consumption
Support multiply RS485 devices by flexible rules
Support Modbus protocol
Support Interrupt uplink
Supports connecting a UART sensors with 3.3V or 5V
Multiply Sampling and one uplink
Support Bluetooth v5.1 remote configure and update firmware
Uplink via MQTT, MQTTs, TCP, or UDP
Uplink on periodically
Downlink to change configure
8500mAh Battery for long term use
Nano SIM card slot for NB-IoT SIM