Best Bluetooth Gsm Module Reviews With Scores

1. Wireless Beanie Hat Headphones Unique Tech Gifts Stocking Stuffer(Dark Gray)

  • Horrible Battery Life?–Specially customized 250mAh Li-battery,the largest Battery capacity but lowest comsumption offering Longest Continous Working time upto 16-20 hours for wireless music and handfree call.Triple capacity than those low-end ones.
  • The Sound Cut in and out?–Upgraded chip offers the stablest and strongest connection,Much stable than others which may cut in and out,We encourage you to compare!We promise you are making an intelligent decision.
  • It’s not that Loud?–Upgraded HD speakers offer sound output upto 110db which is the loudest in the market so far,powerful but still clear and crisp for you to enjoy clear music and take calls in noisy environment.Your world is Yours
  • It won’t Keep Warm?–Combined double knitting,we add 0.02lb more knitting,soft double knit material,much more thicker to keep your head warm & comfortable in winter.The unique stocking stuffers gifts for teen boys girl.Get One Now to Rock the World!
  • Come and Buy with Confidence: We know what you need,all of the above advantages are real,You have my words.Washable design,Unisex & One size fits most.FULLLIGHT TECH Wireless beanies are packed in a Premium Gift Box.Good Unisex Christmas gag gifts.

2. GPS Module GPS NEO-6M(Ar duino GPS, Drone Microcontroller GPS Receiver) Compatible with 51 Microcontroller STM32 Ar duino UNO R3 with IPEX Antenna High Sensitivity for Navigation Satellite Positioning

  • How to use the template, the link is obtained in the product description
  • ★Note: This GPS module will not search for signals when the weather is bad, and it will not search for stars indoors. When using it, please make sure that the GPS module is in an open location.
  • GPSBaud needs to be set to 9600 instead of 4800; PPS pin is not needed unless using the GPS to drive a hardware high precision clock; GT-U7 main module GPS module using the original UBLOX 7th generation chip, Software is compatible with NEO-6M. GT-U7 module, with high sensitivity, low power consumption, miniaturization, its extremely high tracking sensitivity greatly expanded its positioning of the coverage.
  • With a USB interface, you can directly use the phone data cable on the computer point of view positioning effect; With IPEX antenna interface, the default distribution of active antenna, can be quickly positioned.
  • USB directly connected to the computer, That is, with the host computer-owned serial port function, no need for external serial module, send IPX interface active antenna!

3. waveshare Raspberry Pi GSM/GPRS/Bluetooth HAT Based on SIM800C Supports SMS, GPRS, DTMF, HTTP, FTP, MMS, email for Band GSM 850/EGSM 900/DCS Compatible with Pi 2B/3B/3B+/4B/Zero/Zero W,Jetson Nano

  • Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards, Jetson Nano; Supports SMS, GPRS, DTMF, HTTP, FTP, MMS, email, etc
  • Bluetooth 3.0, supports data transferring through Bluetooth;UART interface, for connecting host control boards like Arduino/STM32;Baudrate auto detection (1200bps ~115200bps)
  • Onboard voltage level translator, 3.3V by default, switch to 5V via jumper;2x LEDs for indicating the module working status;SIM card slot for 1.8V/3V SIM card
  • Control via AT commands (3GPP TS 27.007, 27.005, and SIMCOM enhanced AT Commands);Supports SIM application toolkit: GSM 11.14 Release 99

4. KeeYees ESP8266 ESP-12F NodeMcu Mini WLAN WiFi Development Board 4M Bytes for ESP8266 for Arduino Compatible with WeMos (5PCS)

  • Mini Development Board based on ESP8266 chip.
  • This board contains 11 digital input / output pins, all pins have interrupt / pwm / I2C / 1-wire and a micro USB connection.
  • This board is 100% compatible with for Arduino and for WeMos.
  • WIFI development board, with 4 MB of flash memory.
  • Technical Support: Our PDF tutorial is available on github: Keeyees/0001

5. Ingcool GSM/GPRS/GNSS Bluetooth HAT Expansion Board for Raspberry Pi 4B/ 3B+/ 3B/ 2B/ Zero W/Zero, Based on SIM868 Module Supports SMS, Phone Call, Global Position, Transfer Data, etc.

  • 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
  • SIM card slot for 1.8V/3V SIM card, Supports SIM application toolkit: GSM 11.14 Release 99
  • Baudrate auto detection (1200bps ~115200bps). Onboard USB TO UART converter CP2102 for UART debugging. 6x LEDs for indicating the module working status. RTC with backup battery holder
  • Control via AT commands (3GPP TS 27.007, 27.005, and SIMCOM enhanced AT Commands). Comes with development resources and manual (examples for Raspberry Pi/Arduino/STM32)

6. HiLetgo Smallest SIM800L GPRS GSM Breakout Module Quad-Band 850/900/1800/1900MHz SIM Card Slot Onboard with Antenna 3.7~4.2V

  • Mini GSM / GPRS breakout board is based on SIM800L module, supports quad-band GSM/GPRS network, available for GPRS and SMS message data remote transmission.
  • The board features compact size and low current consumption. With power saving technique, the current consumption is as low as 1mA in sleep mode.
  • It communicates with microcontroller via UART port, supports command including 3GPP TS 27.007, 27.005 and SIMCOM enhanced AT Commands.
  • AT command interface with “auto baud” detection.
  • TTL serial port for serial port, you can link directly to the microcontroller

7. Waveshare GSM/GPRS/Bluetooth 3.0 HAT for Raspberry Pi 2B/3B/3B+/Zero/Zero W Based on SIM800C Support SMS Data Transfer ect

  • Raspberry Pi connectivity, compatible with Raspberry Pi 2B/3B/3B+/Zero/Zero W Bluetooth 3.0, supports data transferring through Bluetooth
  • Supports SMS, GPRS, DTMF, HTTP, FTP, MMS, email, etc. Supports SIM application toolkit: GSM 11.14 Release 99
  • UART interface, for connecting host control boards like /STM32 Onboard voltage level translator, 3.3V by default, switch to 5V via jumper
  • 2x LEDs for indicating the module working status. SIM card slot for 1.8V/3V SIM card. Baudrate auto detection (1200bps ~115200bps)
  • Control via AT commands (3GPP TS 27.007, 27.005, and SIMCOM enhanced AT Commands). Comes with development resources and manual (examples for Raspberry Pi/ /STM32)

8. LIOVODE LED Hats,LED Caps Display Message Bluetooth Editable Cool Hat for Party Black

  • EDIT YOUR TEXT:ledHats By 12*48=576 LED lamp,Express your mood,wishes in words, let your lover know that you love him / her,You can also advertise your business.
  • DRAW WHAT YOU LIKE:You can use the graffiti function to create your favorite images,and the pictures can be saved for next use.
  • SHOW YOUR AD:for Baseball, Games, Elections, Prom, Music festivals, Birthday parties,Trucks, Christmas, Bars, Clubs, Lighting parties, Gifts for men, women, Carnivals, New year festivals, Coffee shops, Shopping malls.
  • 3-STEP CONNECTION:1.open the led cap 2.open the phone Bluetooth 3.open the APP main page and connect the device.Built-in 450mAh, rechargeable aluminum battery,Used for more than 10 hours.
  • NOTE:If the hat you received is can not use, please charge it first,We have 30 days free return,if you have any questions about your item, please feel free to contact us,we will reply you in 24 hours.

9. Comimark 1Pcs GPRS SIM800C GSM Module 5V/3.3V TTL STM32 C51 with Bluetooth and TTS for Arduino

  • Power input: DC5V or received by a lithium battery input VBAT and GND.
  • Supports MCU level: 5V / 3.3V for TTL logic (Such as the common 51 and the arduino is 5v, STM32 is the 3.3v)
  • Antenna use: IPEX antenna interfaces, you can use the version PCB antenna or antenna IPEX-SMA- peppers
  • Pacakage Included: 1PC*SIM800C GSM GPRS Module 5V/3.3V TTL STM32 C51 with Bluetooth and TTS for Arduino
  • If You Are Not Satisfied with Your Purchase for Any Reason, Please Feel Free To Contact Us at the Buyer Center or Support Email, 24/7 Quick Reply

10. Bluetooth Audio Adapter for Music Streaming Sound System, Esinkin Wireless Audio Adapter Works with Smartphones and Tablets, Wireless Adapter for Speakers

  • Listen music wireless: Stream your audio entertainment from your smart phone or tablet. Listen music through your perfect sound system from your smart phone or tablet with perfect sound quality
  • Easy to setup: Simply pair your smart phone or tablet to the audio adapter with a single button
  • Wireless range: Do not have to dock your mobile device with reliable audio connection and it can receive m

    usic from up to 10-12 meters( 30-40 feet) away

  • Works with most speakers, Superior acoustics: Plug the adapter into any A/V receivers and any powered speakers with standard RCA or 3.5 mm jacks. Don’t compromise on sound delivers high quality acoustics
  • NOTE: The speakers are demonstrations in the image which are not included in the package. This item is a bluetooth receiver for speakers.

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