DollaTek SIMCOM SIM900 GSM GPRS Quad-Band Modules 2G Development Shield Board for R3 Mega with Antenna

  • Quad-Band 850/900/1800/1900 MHz - could work on GSM networks in all countries around the world, work with Uno Mega.
  • Embedded TCP / UDP stack - allows you to upload data to a Web server | RTC supported | selectable serial port | Jac speakers and headphones.
  • Note: This is a new version (64M version), SMS support MMS: Multimedia message and Short Message Service - so it is possible to send small amounts of data over the network (ASCII or raw hexadecimal).
  • The shield allows you to get SMS, MMS, GPRS and audio via UART by sending AT commands (GSM 07.07, 07.05 and SIMCOM enhanced to commands). The shield also has the 12 GPIOs, 2 PWMs and an ADC of the SIM900 module (They are all 2V8 logic) present on board..
  • Application: M2M (Machine 2 Machine) Applications.Remote control of appliances.Remote Weather Station or Wireless Sensor Network.Vehicle tracking system with a GPS module.Good to learn GSM / GPRS mobile phone development, control development of remote equipment, wireless meter reading, smart appliances, ultra long distance control, etc..
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Development Board Module Kit Fit for 850/900/1800/1900 MHz GPRS/GSM Antenna, 5~26V

  • Make sure your SIM card is not locked. The best baud rate for GPRS Shield communication is 19200 BPS 8-n-1 (GPRS Shield automatically matches baud rate by default). Quad-Band 850 / 900/ 1800 / 1900 MHz - would work on GSM networks in all countries across the world..
  • GPRS multi-slot class 10/8. GPRS mobile station class B. Compliant to GSM phase 2/2+. Class 4 (2 W @ 850 / 900 MHz). Class 1 (1 W @ 1800 / 1900MHz). Control via AT commands - Standard Commands: GSM 07.07 & 07.05 | Enhanced Commands: SIMCOM AT Commands. Short Message Service - so that you can send small amounts of data over the network (ASCII or hexadecimal)..
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Module,Development Board Module Kit,5~26V SIM Development Module,Fit for SIM900 850/900/1800/1900 MHz GPRS/GSM,Quad-Band 850/900/ 1800/1900 MHz - Would Work on GSM Networks

  • ...h 3.3 and 5V microcontrollers.Speaker and Headphone jacks..
  • The best baud rate for GPRS Shield communication is 19200 BPS 8-n-1 (GPRS Shield automatically matches baud rate by default).Quad-Band 850 / 900/ 1800 / 1900 MHz - would work on GSM networks in all countries across the world..
  • GPRS multi-slot class 10/8.GPRS mobile station class B. Compliant to GSM phase 2/2+. Class 4 (2 W @ 850 / 900 MHz).Class 1 (1 W @ 1800 / 1900MHz).Control via AT commands - Standard Commands: GSM 07.07 & 07.05 | Enhanced Commands: SIMCOM AT Commands..
  • Short Message Service - so that you can send small amounts of data over the network (ASCII or raw hexadecimal).Embedded TCP/UDP stack - allows you to upload data to a web server.RTC supported.Selectable serial port.Low power consumption - 1.5mA(sleep mode)..
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BlackBerry KEY2 Black Unlocked GSM Android Smartphone 4G LTE, 64GB

  • 2.0MP Digital Camera, High-resolution display with 320 x 240 65.000 colors.
  • TFT LCD and 2.46 inches display, Bluetooth This unlocked cell phone is compatible with GSM carriers like T-Mobile. Not all carrier features may be supported. It will not work with CDMA carriers like Verizon Wireless, Alltel and Sprint..
  • Unlocked Quad Band: GSM 850/900/1800/1900 and GPRS capabilities.
  • Video format support: MPEG4, H.263, H.264, WMV3, Audio format support: AAC-LC, AAC+, eAAC+, AMR-NB, WMA9 Talk time up to 5 hours - Standby up to 17 days.
  • 2.0 MP camera, 5X digital zoom, Video Camera Recording:Normal Mode (320x240 pixel),MMS Mode (176x144 pixel).
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Sudroid Unlocked Mini Smartphone, 2.5 Inch Mini Phone The World's Smallest Cell Phone 3G Network Premium Child Phone Quad Core Small Phone (Black)

  • ❤️3G Mini Saprtphone: Compatible with micro and nano SIM card and TF card.GSM:850/900/1900/2100 , WCDMA/B1/B5. you can use it like any other mobile phone, browsing the Internet anywhere and using Google Play Store to download apps❤️3G Mini Saprtphone: Compatible with micro and nano SIM card and TF card.GSM:850/900/1900/2100 , WCDMA/B1/B5. you can use it like any other mobile phone, browsing the Internet anywhere and using Google Play Store to download apps.
  • ❤️Super Mini Smartphone : 2.5 inch you can put it in your wallet it is very portableSupport Most Apps: This unlocked mobile phone supports most apps in Google Play Store such as Facebook, Youtube, Instagram, Whats app, Tiktok, Twitter, etc..
  • ❤️Screen Size:2.5" Resolution:240*432. Phone size: 85mm*43mm*9mm, just like a bank card.It meets your daily needs, while having a smaller size, so that your backpack is no longer heavy and your Life is easier..
  • ❤️All under control by single hand.Very suitable for our palm,makes you feel comfortable from all sides due to the high tech artwork and precise design.
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BlackBerry Classic Q20 SQC100-2 16GB Unlocked GSM 4G LTE Keyboard Smartphone - Black

  • 2.0MP Digital Camera, High-resolution display with 320 x 240 65.000 colors.
  • TFT LCD and 2.46 inches display, Bluetooth This unlocked cell phone is compatible with GSM carriers like T-Mobile. Not all carrier features may be supported. It will not work with CDMA carriers like Verizon Wireless, Alltel and Sprint..
  • Unlocked Quad Band: GSM 850/900/1800/1900 and GPRS capabilities.
  • Video format support: MPEG4, H.263, H.264, WMV3, Audio format support: AAC-LC, AAC+, eAAC+, AMR-NB, WMA9 Talk time up to 5 hours - Standby up to 17 days.
  • 2.0 MP camera, 5X digital zoom, Video Camera Recording:Normal Mode (320x240 pixel),MMS Mode (176x144 pixel).
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Bolokuki 4G LTE Vehicle GPS Tracker Car GPS Tracking Device with SOS for Fleet Trips Teen Driver Safety Truck Locator Motorcycle Tracker Device Anti-Theft Alarm Remote Cut Off Oil & Power F03B

  • 【4G LTE Wired GPS TRACKER 】: Vehicle GPS Tracking Device, Support 4G 3G 2G Network, GSM LTE WCDMA, Global Universal, Wide coverage, more stable....
  • 【SOS Emergency Alarm】: If you encounter an emergency or dangerous situation while driving and you cannot make a call with your mobile phone, you....
  • 【Power Off Alarm & Remote Cut off Oil】: If the theft found the tracker, as he get it off, you will receive a power off alarm on your phone. And If....
  • 【REAL TIME TRACKING & GEO FENCE】: GPRS+GPS+BDS+LBS, Real-Time Positioning by Standard map, satellite map or Real map, accurately up to 10 meters.....
  • 【SIM GPRS & FREE APP】: The GPS tracker needs a SIM card. SIM Card Not Included. Insert the SIM card in the tracker rightly, install it with the....
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Microsoft Lumia 640 XL 8GB Quad-Core Windows 8.1 Single Sim Smartphone (GSM Unlocked) - Black

  • Microsoft 640 XL is a Workforce Powerhouse at an affordable price it is GSM unlocked to work with any GSM network worldwide.
  • Storage: 8 GB ROM, 1 GB RAM microSD Card slot: up to 256 GB (dedicated slot) Reased: April 2015, (being that this is GSM unlocked you will need to contact your network provider to acquire a SIM card as there is no SIM card enclosed).
  • DISPLAY: Type IPS LCD capacitive touchscreen, 16M colors, Size: 5.7 inches (~69.1% screen-to-body ratio) Resolution: 720 x 1280 pixels (~259 ppi pixel density) Multitouch Yes Protection Corning Gorilla Glass 3 - Clear Black display PLATFORM: OS Microsoft Windows Phone 8.1, upgradable to Microsoft Windows 10 Chipset: Qualcomm MSM8226 Snapdragon 400 CPU: Quad-core 1.2 GHz Cortex-A7 GPU: Adreno 305.
  • Wireless Technology Bands Supported: 4G-LTE Bands 1, 2, 3, 4, 5, 7 and 17 4G HSPA+ with enhanced backhaul 3G - UMTS 850/900/1900/2100MHz GSM/GPRS/EDGE 850/900/1800/1900MHz.
  • Unlocked cell phones are compatible with GSM carriers like AT&T and T-Mobile as well as with GSM SIM cards (e.g. H20, Straight Talk, and select prepaid carriers) Unlocked cell phones will not work with CDMA Carriers like Sprint, Verizon, Boost or Virgin.
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Hipipooo Super Small Mini Smartphone 3G Network 2.5 Inch Mini Phone 1GB+8GB Quad Core Dual SIM Android The World's Smallest Unlocked Kids 3D Glass Pocket Cellphone (Black)

  • ❤️3G Mini Saprtphone: Compatible with micro and nano SIM card and TF card.GSM:850/900/1900/2100 , WCDMA/B1/B5. you can use it like any other mobile phone, browsing the Internet anywhere and using Google Play Store to download apps❤️3G Mini Saprtphone: Compatible with micro and nano SIM card and TF card.GSM:850/900/1900/2100 , WCDMA/B1/B5. you can use it like any other mobile phone, browsing the Internet anywhere and using Google Play Store to download apps.
  • ❤️Super Mini Smartphone : 2.5 inch you can put it in your wallet it is very portableSupport Most Apps: This unlocked mobile phone supports most apps in Google Play Store such as Facebook, Youtube, Instagram, Whats app, Tiktok, Twitter, etc..
  • ❤️Screen Size:2.5" Resolution:240*432. Phone size: 85mm*43mm*9mm, just like a bank card.It meets your daily needs, while having a smaller size, so that your backpack is no longer heavy and your Life is easier..
  • ❤️All under control by single hand.Very suitable for our palm,makes you feel comfortable from all sides due to the high tech artwork and precise design.
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Samsung Galaxy S4 I337A | 16GB 2GB RAM | 5 Super AMOLED Display | 13 MP Camera | 2600 mAh Battery | Android 5.1 Lollipop | 4G LTE | GSM Unlocked | Smartphone - Black

  • Will a GSM phone work for me Yes it does Since this device is Unlocked it will work on any GSM Network with a Micro size SIM Card The sim card does is....
  • The Galaxy S4 runs on the following Frequencies EDGE, GPRS, HSDPA, HSPA+, HSUPA, 850/900/1800/1900 4G LTE Band 17, Band 4.
  • What can I expect: 5.0" Full HD Super AMOLED Display 13 MP Rear Autofocus and 5 MP Front Cameras, This device has 16 GB of internal memory (9.3 Avail....
  • The battery capacity is 2,600 mAh Removable Battery (Model No: B600BBU) lasts up to 17 hours of talk time.
  • What does GSM Mean Service providers that Use SIM Cards for Service like AT&T and T-Mobile as well others that support the Bands listed in Bullet....
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SEHOMY Home Security System with GSM and WiFi APP Control, 16 Pieces kit Wireless DIY Burglar Realtime Alarm for Home Office & Shop, Apartment Security, Compatible with Alexa and Google Assistant

  • ...one name settings - door alarms for home. Diffent zone type settings:outgoing zone, stay-behind defense, doorbell, silent defense, 24-hour defense zone, etc.
  • One machine two networks - 16pcs Smart Home Alarm System with LED Touch Screen, Door Sensors, PIR Motion Alarm, Doorbell and SOS Support WIFI/GSM/GPRS/2G. Free mobile app for Smartphones so you can control your system from anywhere with your smartphone. Also work with Amazon Alexa. Uninterrupted network, safer and more assured.
  • Smart Home Security Alarm for Android and iOS System - Support Phone Call, One-key SOS secret call for help and alarm.
  • support duress code, can make a secret call to alarm in emergency situations (the default alarm sound, can be set),what gives the elder and children more safety. Support 5 groups preset alarm phone number and SMS numbers, if alarm occurs, it will dial preset number automatically..
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Etigood Mini Smartphone Unlocked 1GB RAM 8GB ROM Small Cell Phones, 2.5'' Touch Screen Quad Core Android Tiny Phone/MTK6580/3G Dual SIM/HD Camera/Slim Body Mobile Phone(Black)

  • SUPER Cool Mini Smart Phone With a Little Micro Touchscreen and an iPhone 11 Pro Look alike Design. Small size Pocket Smart Phone Use it like any other Android mobile, You Can Browse the Internet anywhere and use Google Play Store to Download apps at the Palm of your Hand..
  • THIS PHONE IS UNLOCKED it will be compatible with all 2G and 3G network in USA and Worlwide.You Can CONNECT ANYWHERe GLOBAL UNLOCKED with Wifi, Bluetooth and GPS Navigation You can Connect anywhere Enjoy a Simple life With a Small portable SmartPhone. Check Your Network Band for GSM or WCDMA. Do Not Buy Before Checking Band Compatibility! 3G WCDMA 850/2100MHz , 2G GSM 850/900/1800/1900MHz..
  • YOU WILL BE AMAZED with this TINY DEVICE - MANY AMAZING FEATURES! With Bluetooth, Wi-Fi and SIM Connectivity The little Smart Phone supports Voice Calling, Video Calls, Camera, Sound Record, Email, MP3 Playback, GPRS, FM Radio, Touchscreen, GPS Navigation, Message, SMS, MMS, Video Player, Memory Card Slots,Internet Browser. Use The GOOGLE PLAY STORE and Download your Favorite Apps Facebook, Youtube, Twitter, Whatsapp, Chrome, Waze, Instagram and many more....
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ThinkPad GOBI 3000 Mobile Broadband

  • The ThinkPad GOBI Mobile Broadband option is a wireless WAN-ready options that provide a cost-efficient remote access solution..
  • Also known as: Sierra Wireless AirPrime MC8355 HSPA/CDMA module (Gobi).
  • Frequency: 850MHz/900MHz/1800MHz/1900MHz/2100MHz.
  • Wireless Speed: EDGE: 247.4 kbps DL, 123.70 kbps UL, GPRS: 85.6 kbps DL, 42.8 kbps UL,GSM: 14.4 kbps UL/DL.
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