M5Stack AtomDTU Programmable Rail Data Transmission Unit LoRaWAN915Mhz RS485 Communication Module

$60.60
  Availability: In Stock
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    Before we can ship your order, we prepare your products, do strict quality-control tests and carefully package the items. The time it takes to prepare your items for shipping is separate from the delivery time. It usually takes 1-3 business days to ship out .

    Shipping Methods

    You can choose the preferred shipping method on the cart page during the checkout process. We offers 3 international shipping methods:

    1. Airmail – Free untracked economy shipping via national postal services (HK Post, Singapore Post, China Post, PostNL, Swiss Post, Sweden Post, USPS, Royal Mail e.t.c.)
    2. Airmail Registered – Tracked shipping via national postal services (HK Post, Singapore Post, China Post, PostNL, Swiss Post, Sweden Post, USPS, Royal Mail e.t.c.)
    3. Expedited Shipping – Express shipping with courier delivery (DHL, UPS, FedEx, TNT)

    Delivery Time

    Airmail and Airmail Registered Area Estimated Delivery Time
    United States, Canada 7-25 business days
    Australia, New Zealand, Singapore, United Arab Emirates 10-25 business days
    United Kingdom, France, Spain, Germany, Netherlands, Japan, Belgium, Denmark, Finland, Ireland, Norway, Portugal, Sweden, Switzerland 10-25 business days
    Italy, Brazil, Russia, South Africa 10-45 business days
    Other countries 10-35 business days
    Expedited Shipping 3-10 business days to Worldwide

    Note: If you choose an expedited shipping, please remember to leave a valid contact number, this is required for expedited shipping’s courier delivery.

  •  Returns & Refund

    Last updated October 05, 2022

    Returns

    If you are not completely satisfied with your purchase for any reason, you may return it to us for a full refund within 15 days from delivery date. All returned items must be in new and unused condition, with all original tags and labels attached.

    Return Process

    To return an item, please email our customer service at sales@alexnld.com to obtain a Return Merchandise Authorization (RMA) number. After receiving a RMA number, place the item securely in its original packaging, and mail your return to the following address:

    Alex NLD
    Attn: Returns
    RMA #
    HaGiborim St 8
    Tiberias, 14388
    Israel

    Please note, you will be responsible for the return shipping charges. We strongly recommend that you use a trackable method to mail your return.

    All customers should contact us and obtain Return Merchandise Authorization (RMA) number before sending anything to us. We will not be responsible for returned item(s) without notifying us in advance.

    Refunds

    After receiving your return and inspecting the condition of your item, we will process your refund to the credit / debit card or PayPal account which was used to place the original order.

    Please allow at least seven (7) days from the receipt of your item to process your refund. Refunds may take 1-2 billing cycles to appear on your credit card statement, depending on your credit card company. We will notify you by email when your refund has been processed.

    Exceptions

    If an item is found damaged or defective on receipt, we kindly ask you to contact us within 15 days from the delivery date to arrange a refund or exchange without physical return of the item.

    Please provide us with following:

    1. Photos of the front and back sides of the packaging box;
    2. A photo, video or screenshot of the defective item or the defective part of the parcel.

    Our customer service team will communicate with you to arrange a refund or reshipment without physical return of the item.

    Warranty & Repair service

    If any of the items you have purchased from us is found defective within 1 year from receipt, you are entitled to a repair under warranty. Please kindly provide us with evidence photos or videos of the defective item. After providing such information to our Customer Service team  and the problem is acknowledged, you can send the items back to us for a repair.

    Note:  Please be aware, we do not cover the cost of the returns fees in  warranty & repair service.

    Order Cancellation

    If you want to cancel an order within 24 hours from confirmation of the payment, you will be entitled to a full refund. It is still possible to cancel an order after 24 hours, provided that it has not yet been shipped. If an order has been shipped, it’s impossible for us to cancel or modify it anymore. If you still want a refund, you required to return the item on it’s arrival.

    Questions

    If you have any questions concerning our return policy, please contact us at:

    +972 054-536-2888
    sales@alexnld.com

     


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Description:

ATOM DTU LoRaWAN915 is a LoRaWAN Programmable Data Transmission Unit (DTU) suitable for 915MHz frequency. The module adopts the ASR6501 scheme, which supports long-distance communication and has both ultra-low power consumption and high sensitivity. The module integrates the LoRaWAN protocol stack and adopts a serial communication interface (using AT command set for control). When used, it can be used as a collection node to access a large number of gateways for data collection and management. Integrate SMA external antenna interface to improve the communication quality and signal stability of the device. Unlike the DTU which generally only has the function of data transparent transmission, the ATOM DTU series adopts a more open architecture design. The controller ATOM LITE can modify the program at will according to the actual business. The whole machine reserves a variety of interfaces (RS485, I2C, custom interface) for user expansion, which is convenient for the rapid access of sensors and actuators. With its own guide rail clamping structure, it is perfectly embedded in various industrial control sites.

Product Features:

Communication chip is ASR6501
Operating frequency: 915MHz
Serial communication: UART 115200bps (AT command)
With super anti-interference ability, able to work normally in complex interference environment
RS485 communication interface (with 12V input interface, internal integrated DCDC step-down 5V)
Modbus Master/slave
Strong signal access capability
External antenna: SMA antenna interface
Grove expansion interface: -I2C x1 -Custom x1
Self-contained rail clamping

Specification: 

Communication chip: ASR6501
Operating frequency: 915MHz
Minimum receiving sensitivity: -137dBm (SF=12/BW=125KHz)
Maximum transmit power: +21dBm
communication: UART 115200bps
Net weight: 32g
Gross weight: 40g
Product Size: 64 x 24 x 29mm
Package Size: 91 x 42 x 24.5mm

Package included: 

1 x ATOM DTU LoRaWAN470
1 x SMA antenna
1 x SMA red cap
1 x M2 hexagon wrench
1 x M2x16 screw
1 x 3.96-4P terminal

Application:
Automatic remote meter reading
Intelligent traffic intelligent parking lot
Remote irrigation and environmental monitoring

915MHz supported countries
Argentina/Australia/Bolivia/Brazil/Canada/Chile/Colombia/Dominican/Republic/Ecuador/Greece/Guatemala/Honduras/Jamaica/Mexico/New Zealand/Nicaragua/Panama/Panama/Paraguay/Peru/Papua New Guinea/El Salvador/USA/ Uruguay

PinMap:

LoRaWAN915

ATOM

G22(TX)

G19(RX)

5V

GND

LoRaWAN915

RX

TX

VIN

GND


RS485

ATOM

G23

G33

5V

GND

RS485

TX

RX

VIN

GND


I2C

ATOM

G25

G21

5V

GND

12C

SDA

SCL

VIN

GND


Schematic:


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