Free standard shipping on orders over $150
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
SIM808 GSM/GPS Development Module
The development board equipped with a SIM808 module enables you to use GSM communication and GPS features with your development boards like Arduino and Raspberry Pi. With this board, you can send and receive SMS, track location, and even create your own cell phone! The SIM808 module on the board is responsible for the GSM communication and GPS receiver functions. The board can be powered by a 5-26VDC power source or battery (it is recommended to use a power source that can provide a minimum of 2A current at voltages lower than 9V). Alternatively, you can use single cell (1S) Li-Po or Li-Ion batteries (such as 18650) by using the lithium battery connection on the board (accepts voltage between 3.5-4.2V). The board has SMA connectors for antenna connections. Separate antennas are required for GSM, GPS, and Bluetooth. To start the board, you need to press and hold the "start" button for 2 seconds after connecting the power. You can see the network connection status of the board from the LEDs on it. The board has a 1.25V/3.3V/5V compatible TTL serial connection (UART) for connecting to development boards like Arduino and Raspberry Pi.
Product content: SIM808 development board, GPS antenna, GSM antenna
Dimensions: 50.14 x 77.65 (mm)
SIM808 GSM Features:
SIM808 GPS Features:
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You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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