M5Stack COM.GSM Module SIM800C Bulid-in 2G Communication Module ESP32 Stackable Module with SMA Antenna

$42.39
  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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Description:

COM.X GSM is a stackable 2G communication module, with the SIM800C communication module built-in. The working frequency of COM.X GSM is GSM/GPRS 850/900/1800/1900MHz,and it can transmit SMS and data information with low power consumption. The module has a DC power input and can provide 5V-12V power supply through an external power supply. In order to facilitate the user to configure the pins, the DIP switch is used to set the pins. This module is especially suitable for remote meter reading, smart wearables, smart parking, municipal management and other IoT industries with ultra-low power consumption and small size as the core requirements.

Features:

– Stackable design
– Support SMS text and data transmission
– Independent external power supply
– AT command control 
– SIM card type: MicroSIM
– Status signal: two LED indicators (power/network status)
– Power supply voltage: 3.4-4.4V
– Typical power consumption in sleep mode: 0.88mA
– External antenna: SMA antenna 2.5dBi
– Serial communication: UART 115200bps
– Operating temperature range: -40°C to  85°C
– Frequency band:
* Quad-band 850/900/1800/1900MHz
* GPRS multi-slot class 12/10
* GPRS mobile station class B
– data transmission:
* GPRS class 12: Maximum 85.6 kbps (uplink/downlink rate)
* Support PBCCH (Packet Broadcast Control Channel)
* Coding scheme: CS 1, 2, 3, 4
* Integrated TCP/IP TCP/IP、UDP、HTTP、FTP protocol
* Support USSD (Unstructured Supplementary Services Data)

Package Included:

– 1x COM.X GSM module
– 1x SMA antenna

Applications:

– Remote meter reading system
– Automatic Web Spider SMS-notifier
– Wireless communication

Specification:

Resources Parameter
Frequency band GSM/GPRS 850/900/1800/1900MHz
Network protocol TCP/IP/UDP/FTP/HTTP etc.
Communication UART 115200bps
Antenna Gain 2.5dB 1880-1900MHZ/2320-2370MHZ 2575-2635MHZ
Net Weight 40g
Module Size 54*54*13.2mm
Package Size 60*57*17mm

Note:

1. COM GSM RXD/TXD can be connected to M5Stack’s UART (TX(0/13/17)RX(5/15/16)) by setting the DIP switch. Since these GPIO in M5Stack Fire 16/17 are connected to PSRAM by default, conflicts may occur when using GSM. It is recommended to use any set of UART pins in the remaining two groups.
2. The DIP switch on the right is invalid for the GSM module, no need to set.

EasyLoader: 

EasyLoader is a concise and fast program writer, which has a built-in program related to the product. It can be burned to the main control by simple steps to perform a series of function verification. Please install the corresponding driver according to the device type. M5Core host , M5StickC/V/T/ATOM series can be used without driver)

Related Link:

Datasheet

AT Command

Schematic:

PinMap: 

M5Stack TX(GPIO0/13/17) RX(GPIO5/15/16) 5V GND
COM GSM RX TX VIN GND

MBUS PinMap:

Example:

Arduin IDE


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