GSM/GPRS/GNSS/bluetooth HAT SIM868 Development Board Extension Board For STM32

$71.79
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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 .

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    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)

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    Airmail and Airmail Registered Area Estimated Delivery Time
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    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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Overview:

This is a handy, low power Raspberry Pi HAT which features multi communication functionalities: GSM, GPRS, GNSS and Bluetooth.
It allows your Pi to easily make a telephone call, send messages, connect to wireless Internet, global position, transfer data via Bluetooth, and so on.

Features:

General:

Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards
Supports SMS, phone call, GPRS, DTMF, HTTP, FTP, MMS, email, etc.
Support GPS, COMPASS, Glonass, LBS base station positioning, omni-positioning
Bluetooth 3.0, supports data transferring through Bluetooth
Onboard USB TO UART converter CP2102 for UART debugging
6x LEDs for indicating the module working status
SIM card slot for 1.8V/3V SIM card
RTC with backup battery holder
Baudrate auto detection (1200bps ~115200bps)
Control via AT commands (3GPP TS 27.007, 27.005, and SIMCOM enhanced AT Commands)
Supports SIM application toolkit: GSM 11.14 Release 99
Comes with development resources and manual (examples for Raspberry Pi/ARDUIN0/STM32)

GSM/GPRS:

Band:
GSM 850/EGSM 900/DCS 1800/PCS 1900 MHz
Quad-band auto search
Compliant to GSM phase 2/2+
Emitting power
Class 4 (2W @ GSM 850/EGSM 900 MHz)
Class 1 (1W @ DCS 1800/PCS 1900 MHz)
GPRS connectivity
GPRS multi-slot class 12 (default)
GPRS multi-slot class 1~12 (configurable)
GPRS data feature
Downlink speed: max 85.6kbps
Uplink speed: max 85.6kbps
Coding schemes: CS-1CS-2CS-3CS-4
Supports PAP (Password Authentication Protocol) for PPP connection
Supports PBCCH
Supports USSD

SMS:
Supports: MT/MO/CB/Text/PDU mode
SMS storage: SIM card
Audio
Voice encode/decode mode: Half RateFull RateEnhanced Full RateAdaptive muti rate
Supports echo cancellation
Supports noise reduction

GNSS:
Receiver type
33 tracking channels
99 acquisition channels
GPS L1 C/A code
Sensitivity
Tracking: -165 dBm
Cold starts : -148 dBm
Time-To-First-Fix
Cold starts : 28s (typ.)
Hot starts : < 1s
Warm starts: 26s
Accuracy
Horizontal position : <2.5m CEP

Bluetooth:
Integrates AT commands
Compliant to Bluetooth specification3.0 + EDR
Supports SPP, OPP, HFP/HSP, etc.

Misc:
Operating voltage: 5V
Operating temperature: -40°C ~ 85°C
Storage temperature: -45°C ~ 90°C
Dimensions: 30.2mm x 65mm

Package includes:

1 x GSM/GPRS/GNSS HAT
1 x GSM antenna
1 x GPS External Antenna (B)
1 x Bluetooth antenna
1 x USB cable type A male port to micro male port
1 x RPi copper pillar package (2PCS set)

What’s on Board:

1. SIM868 module
2. ZMM5V1: regulator diode
3. SMF05C: TVS diode
4. CP2102: USB TO UART converter
5. MP1482: power chip
6. NDC7002N: voltage level translator
7. GPS status indicator
8. NET indicator:
  flashes fast when the module starts up
  flashes slowly after GSM register succeed
9. STA module working status indicator
10. SIM868 UART Tx/Rx indicator
11. Power indicator
12. SIM868 control button: press the button and hold for 1s, to startup/shutdown the SIM868
13. Raspberry Pi GPIO connector
14. SIM card slot
15. USB TO UART interface
16. 3.5mm earphone/mic jack
17. GNSS antenna connector
18. Bluetooth antenna connector
19. GSM antenna connector
20. CR1220 battery holder: for RTC backup battery
21. UART selection switch
  A: control the SIM868 through USB TO UART
  B: control the SIM868 through Raspberry Pi
  C: access Raspberry Pi through USB TO UART

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