SKU: 43092895949

Wireless Module F21 GSM GPRS GPS 3 In 1 Module

Sale price$54.00 Regular price$60.00
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Ships within 48 hours · Estimated delivery Jul 25 - Jul 30

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Description

Wireless Module F21 GSM GPRS GPS 3 In 1 ModuleThe GSG F21P module is a multi function wireless positioning module that integrates a GSM GPRS engine and a high precision GNSS engine. The F21P module integrates RF, baseband, power management unit, power amplifier, and GNSS. It has an ultra small size and is easy to integrate into a variety of applications. The low power technology of the F21P module meets the needs of today's low power applications. The F21P module offers a proven solution that

     The GSG-F21P module is a multi-function wireless positioning module that integrates a GSM/GPRS engine and a high-precision GNSS engine. The F21P module integrates RF, baseband, power management unit, power amplifier, and GNSS. It has an ultra-small size and is easy to integrate into a variety of applications. The low-power technology of the F21P module meets the needs of today's low-power applications.

     The F21P module offers a proven solution that reduces cost and time to market. This module is suitable for almost all M2M industry applications, including logistics management, shared equipment electronic fence management, driverless, precision agriculture, personal tracking services, remote automatic monitoring and control, security systems, anti-theft systems, automatic emergency calls, wireless POS Machines, smart meters, wearable devices, etc.

     The F21P module supports 4-band GSM/GPRS with operating bands of GSM850, EGSM900, DSC1800 and PCS1900MHz. The GSM part of the F21P module embeds data transfer protocols such as TCP/UDP, PPP, FTP, HTTP, and SSL. Its embedded extended AT commands make it easier for users to develop applications.

     The GNSS receiver embedded in the F21P module integrates BD and GPS systems. It supports multiple positioning and navigation systems including BDS, GPS, SBAS and QZSS, and supports AGPS fast assisted positioning. At the same time, it supports single-frequency RTK high-precision positioning. The Dayami class is ideal for centuries. High receiving sensitivity, high positioning accuracy and low power consumption.

    Shipping Notes
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    Exchange/Return Notes
    • We offer a 30-day return/exchange service after receiving.
    • Final sale items are not eligible for returns or exchanges.
    • To process your return/exchange, please contact us at [email protected]
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    SKU: 43092895949

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    4.2 ★★★★★
    Based on 21 reviews
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    B
    Bearyjeans
    Lake Worth, US
    ★★★★★ 5
    Hotel like pillow
    These pillows were a pleasant surprise. I bought the set for our guest room but ended up keeping them for our own bed after trying them out. They feel incredibly soft yet still provide enough support to keep my neck from feeling stiff in the morning. I sleep on my side and back, and these work great for both positions. My spouse, who usually runs hot at night, said they stayed cool and breathable. The material feels high quality, and I love that they’re machine washable without losing their shape. They fluffed right back up after drying. If you're looking for that plush hotel-pillow feel with everyday practicality, this set really delivers.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 15, 2025
    A
    Amy Morley
    Carnegie, US
    ★★★★★ 4
    Very soft, not firm at all
    This pillow is very floppy and not firm at all. It is quite large and I was surprised at the size. My dog has taken a liking to it and decided it's now her new dig bed, which is fine by me, because it's really too soft for my liking. If you like soft pillows then this is for you. If you require something with a bit more support then you won't enjoy this pillow.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 11, 2025
    R
    Ronnie
    Houston, US
    ★★★★★ 5
    Soft and supportive
    I recently purchased the this pillow and I am happy with the quality and comfort it provides. Pillow is soft, plush, and supportive without being too firm. The down alternative fill offers the balance of fluffiness and structure, making them ideal for all sleep positions. Whether I’m sleeping on my back, side, or stomach, these pillows adapt beautifully and keep me comfortable throughout the night. They’re also breathable and skin-friendly, which is a huge plus for anyone with sensitive skin. After using them, I wake up feeling well-rested and free of neck stiffness. I like it.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 22, 2025
    H
    Honest Reviews
    Birmingham, US
    ★★★★★ 5
    Pillow
    These DIORIS pillows are a game-changer! I’ve tried many pillows over the years, but these are by far the best. The down alternative fill is incredibly soft yet supportive, providing just the right amount of fluffiness without feeling too firm or too soft. I sleep on my side, and these pillows cradle my head and neck perfectly, giving me the support I need for a restful night. They’re breathable and skin-friendly, which is great since I tend to get hot while I sleep. The queen size is just right for my bed, and the pillows maintain their shape night after night. They feel like luxury hotel pillows! Highly recommend for anyone looking for a comfortable, supportive, and durable pillow.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 20, 2025
    J
    Jackiee
    Natrona Heights, US
    ★★★★★ 5
    this pillow does work
    For months my neck had been brothering me every morning when I woke up. Figured it was stress and I always planned on getting a massage. But I never did it. I ended up seeing this pillow on Amazon and got it. It was almost an instant 180. My neck pain is gone! This pillow is stuffed very full but isn't super firm. It's a bit hard to describe. The seams are well sewn and the pillow has held up very well for a week now. No weird smells or any type of red flag that I found. It's easy to flip and reshape in an instant.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 15, 2025

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