Features
- Supports voice call and SMS message.
- Supports GSM/ GPRS frequency: 850/ 900/ 1800/ 1900 MHz.
- Supports GPRS data service, the maximum download data rate is 85.6 Kbps, upload data is 42.8 Kbps.
- Supports GSM07.07, 07. 05 AT commands and Ai-Thinker explosion command.
- Supports 3 serial ports, one download serial port, one AT command port.
Specifications
- Size: 19.2mm x 18.8mm x 3mm
- Working temperature: -30 ℃-80℃
- Working voltage: 3.5v – 4.2v (it’s best to power by 4v)
- Power voltage: >3.5v
- Low power consumption:
- Sensitivity:
- GPIO level: 2.8v
Fast Shipping & Professional Packing
We offer a broad range of shipping options owing to our long-running partnerships with UPS, FedEx and DHL. Our warehouse personnel are expertly trained and will wrap your items according to our exact and precise specifications. Your products will be subjected to an exhaustive examination before they will be properly packaged prior to being delivered. Everyday, we send to thousands of clients in multiple countries. This shows our commitment to be the largest online retailer in the world. We have distribution centers as well as warehouses in Europe as well as the USA.
Note: Orders that contain more than one product will be assigned a distinct processing time dependent on the particular item.
We will inspect each and every one of the products before they are shipped. The majority of orders are shipped within 48 hours. The delivery time will be between 3-7 working days.
Returns
The inventory is always changing, and not fully managed by us because of the involvement of many parties including the factory and our warehouse. The stock can change at any moment. Please be aware that it's possible for your order to be out of stock after you have made the order.
Our policy is valid for a period of 30 days. If 30 days have passed in the past since you purchased and we are unable to offer you a return or exchange.
To be eligible for a refund, your product must be unopened and in the same condition as you received it in. It must also be returned in its original packaging.
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