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RS485-NB RS485/ UART to NB-IoT Converter for IOT Application

DWM25020701

The RS485-NB is an RS485 / UART to NB-IoT Converter for IOT applications that can read sensor data and upload via the NB-IoT network to the IoT server supports BLE configuration and OTA update which makes it users easy to use.

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$77.00
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Description

The Dragino RS485-NB is an RS485 / UART to NB-IoT Converter for Internet of Things solutions. Users can connect the RS485 or UART sensor to the RS485-NB converter, and configure RS485-NB to periodically read sensor data and upload via the NB-IoT network to the IoT server.

RS485-NB can interface to the RS485 sensor, 3.3v/5v UART sensor, or interrupt sensor. RS485-NB provides a 3.3v output and a 5v output to power external sensors. Both output voltages are controllable to minimize the total system power consumption.

RS485-NB supports uplink methods including MQTT, MQTTs, UDP & TCP for different application requirements, and uplinks to various IoT Servers.

RS485-NB supports BLE configure and OTA update which make users easy to use.

An 8500mAh Li-SOCI2 battery powers RS485-NB, it is designed for long-term use up to several years.

RS485-NB has an optional built-in SIM card and default IoT server connection version which makes it work with a simple configuration.

Features:   

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 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 

Specifications:  

Common DC Characteristics:

Supply Voltage: 2.5v ~ 3.6v

Operating Temperature: -40 ~ 85°C

I/O Interface: 

Battery controllable output (2.6v ~ 3.6v depends on battery)

+5v controllable output

1 x RS485 Interface

1 x UART Interface , 3.3v or 5v

1 x Interrupt or Digital IN/OUT pins

1 x I2C Interface

1 x one wire interface 

NB-IoT Spec:

NB-IoT Module: BC660K-GL

Support Bands:

B1 @H-FDD: 2100MHz

B2 @H-FDD: 1900MHz

B3 @H-FDD: 1800MHz

B4 @H-FDD: 2100MHz

B5 @H-FDD: 860MHz

B8 @H-FDD: 900MHz

B12 @H-FDD: 720MHz

B13 @H-FDD: 740MHz

B17 @H-FDD: 730MHz

B18 @H-FDD: 870MHz

B19 @H-FDD: 870MHz

B20 @H-FDD: 790MHz

B25 @H-FDD: 1900MHz

B28 @H-FDD: 750MHz

B66 @H-FDD: 2000MHz

B70 @H-FDD: 2000MHz

B85 @H-FDD: 700MHz

Battery:

Li/SOCI2 un-chargeable battery

Capacity: 8500mAh

Self Discharge: <1% / Year @ 25°C

Max continuous current: 130mA

Max boost current: 2A, 1 second

Power Consumption:

STOP Mode: 10uA @ 3.3v

Max transmit power: 350mA@3.3v

Applications:   

Smart Buildings & Home Automation

Logistics and Supply Chain Management

Smart Metering

Smart Agriculture

Smart Cities

Smart Factory 

Order Info

Part Number: RS485-NB-XX-YY

XX:

GE: General version ( Exclude SIM card)

1T: with 1NCE * 10 years 500MB SIM card and Pre-configure to ThingsEye server

YY: The grand connector hole size

M12: M12 hole(Default shipping)

M16: M16 hole

Useful Link:

Datasheet

User Manual

Firmware

Product Details
DWM25020701
300 Items
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RS485-NB RS485/ UART to NB-IoT Converter for IOT Application

The RS485-NB is an RS485 / UART to NB-IoT Converter for IOT applications that can read sensor data and upload via the NB-IoT network to the IoT server supports BLE configuration and OTA update which makes it users easy to use.

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