SIM900 Quad-band GSM GPRS Shield Development Board For Arduino

$51.29
  Availability: In Stock
  Shipping: Free Airmail 
  Estimated Delivery: 
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  •   Shipping Methods

    Handling Time

    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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SIM900 Quad-band GSM GPRS Shield Development Board For Arduino

Feature:


The GPRS Shield is based on SIM900 module from SIMCOM and compatible with Arduino and its clones.
The GPRS Shield provides you a way to communicate using the GSM cell phone network.
The shield allows you to achieve SMS, MMS, GPRS and Audio via UART by sending AT commands (GSM 07.07 ,07.05 and SIMCOM enhanced AT Commands).
The shield also has the 12 GPIOs, 2 PWMs and an ADC of the SIM900 module(They are all 2V8 logic) present onboard.

Specifications:

Quad-Band 850 / 900/ 1800 / 1900 MHz – would work on GSM networks in all countries   across the world.
GPRS multi-slot class 10/8
GPRS mobile station class B
Compliant to GSM phase 2/2+
Class 4 (2 W @ 850 / 900 MHz)
Class 1 (1 W @ 1800 / 1900MHz)
Control via AT commands – Standard Commands: GSM 07.07 & 07.05 | Enhanced   Commands: SIMCOM AT Commands.
Short Message Service – so that you can send small amounts of data over the network   (ASCII or raw hexadecimal).
Embedded TCP/UDP stack – allows you to upload data to a web server.
RTC supported.
Selectable serial port.
Speaker and Headphone jacks
Low power consumption – 1.5mA(sleep mode)
Industrial Temperature Range – -40°C to +85 °C

Application:

M2M (Machine 2 Machine) Applications.
Remote control of appliances.
Remote Weather station or a Wireless Sensor Network.
Vehicle Tracking System with a GPS module.
 
Cautions:

Make sure your SIM card is unlocked.
The product is provided as is without an insulating enclosure. Please observe ESD    precautions specially in dry (low humidity) weather.
The factory default setting for the GPRS Shield UART is 19200 bps 8-N-1. (Can be changed   using AT commands).
Power select – select the power supply for GPRS shield(external power or 5v of arduino)
Power jack – connected to external 4.8~5VDC power supply
Antenna interface – connected to external antenna
Serial port select – select either software serial port or hareware serial port to be connected    to GPRS Shield
Hardware Serial – D0/D1 of Arduino
Software serial – D7/D8 of Arduino
Status LED – tell whether the power of SIM900 is on
Net light – tell the status about SIM900 linking to the net
UART of SIM900 – UART pins breakout of SIM900
Microphone – to answer the phone call
Speaker – to answer the phone call
GPIO,PWM and ADC of SIM900 – GPIO,PWM and ADC pins breakout of SIM900
Power key – power up and down for SIM900

Note:

The SIM900 Board Input is 5-26V  2A,We Recommended current is more than 9V 2A
Ensure your SIM card is not locked
GPRS Shield Communication baud rate is 19200 BPS 8-N-1

Package included:

1 x SIM900 Board for Arduino

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