Reviews Wireless Sensor Networks

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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Sony Xperia XA2 Ultra Factory Unlocked Phone - 6 Screen - 32GB - Black U.S Warranty

  • Large 6” edge-to-edge full HD display (1080P) with curved 2.5D Corning Gorilla glass. Connectivity- A-GNSS (GPS + GLONASS), WiFi Miracast, Bluetooth....
  • 23 MP Main Camera with 1/2.3" Exmor RS for mobile image sensor and 24mm wide-angle F2.0 lens, 4K video recording, and 120fps slow motion video.
  • 16MP Exmor RS front-facing Camera, optical image stabilizer (OIS), and smart selfie flash. Additional 8MP Exmor R front-facing Camera with 120-degree....
  • Qualcomm Snapdragon 630 Octa-core processor. Always-on fingerprint sensor, 3,580 mAh battery, and SmartAmp for more immersive sound. Networks : GSM....
  • Unlocked and compatible with GSM/LTE carriers utilizing GSM network such as AT&T, T-Mobile, Straight Talk, MetroPCS, Cricket wireless, simple mobile,....
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HP Pro Chromebook Enterprise 14-Inch Laptop c645 – AMD Ryzen 7 3700C Quad-Core – 16 GB RAM – 128 GB SSD – Pike Silver Aluminum – Chrome OS – AMD Radeon Graphics

  • ...ry, VDI, and enterprise mobility management support..
  • Connect with intuitive, dynamic features. Easily collaborate and work in multiple tabs with the impressive graphic performance of an AMD processor, 180° lie-flat chassis, built-in 88° HD camera, and Audio by B&O. Enjoy stable connectivity with HP Extended Range Wireless LAN..
  • Spend more time getting your work done instead of looking for an outlet with long battery life and HP Fast Charge, which recharges the battery to 90% in 90 minutes..
  • Enjoy greater speed and stability on crowded networks with Wi-Fi 6 and HP Extended Range Wireless LAN. Enjoy greater speed and stability on crowded networks with Wi-Fi 6 and HP Extended Range Wireless LAN..
  • Get verified boot protection, two versions of Chrome OS, and encryption for your Chromebook, files, and user. Remotely deactivate if it’s lost or stolen..
  • Charge up your Chromebook and USB-C accessories with two USB-C ports. Expand to an optional HP USB-C dock to connect to a wired network and access USB-A accessories..
  • Single Chrome Enterprise Upgrade included. Requires one-time setup..
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Belkin Wireless G 4-Port Router

  • Wireless G router for creating Wireless G home networks with enough range to blanket apartment or office.
  • Wireless G offers 54Mbps wireless bandwidth.
  • backwards compatible with 802.11b networks.
  • Strong network security includes WPA, WPA2, WPS, and 64- and 128-bit WEP.
  • Four 10/100 Mbps Ethernet ports built-in.
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X-Sense Wireless Interconnected Smoke Detector Fire Alarm with Over 820 ft Transmission Range SD19-W Pack of 6

  • Detection Anywhere: Features wireless interconnection so that if one alarm is triggered, they all go off, and they stay connected using radio frequency with a transmission range over 820 ft (250 m) in the open air.
  • Ready to Use: The multi-pack detectors have already been connected for instant use, and you can connect up to 24 Link+ wireless alarms at a time.
  • Customizable Wireless Network: For a customized network, add new devices to the existing network, or disconnect the devices and create multiple networks.
  • Battery Powered Smoke Alarm: Built with a 10-year sensor and powered by a sealed 10-year lithium battery that doesn’t need to be replaced.
  • Premium Quality Material: This smoke detector is made from an upgraded premium material that is durable, corrosion-resistant, and flame-retardant.
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X-Sense Mini Smoke Alarm, 10-Year Battery Fire Alarm Smoke Detector with LED Indicator & Silence Button, XS01, 3-Pack

  • Detection Anywhere: Features wireless interconnection so that if one alarm is triggered, they all go off, and they stay connected using radio frequency with a transmission range over 820 ft (250 m) in the open air.
  • Ready to Use: The multi-pack detectors have already been connected for instant use, and you can connect up to 24 Link+ wireless alarms at a time.
  • Customizable Wireless Network: For a customized network, add new devices to the existing network, or disconnect the devices and create multiple networks.
  • Battery Powered Smoke Alarm: Built with a 10-year sensor and powered by a sealed 10-year lithium battery that doesn’t need to be replaced.
  • Premium Quality Material: This smoke detector is made from an upgraded premium material that is durable, corrosion-resistant, and flame-retardant.
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Samsung Galaxy S7 Edge unlocked smartphone, 32 GB Silver (US Warranty - Model SM-G935UZSAXAA)

  • Post-Worthy Day or Night The first smartphone with dual-pixel technology features fast autofocus, so you can say goodbye to blurry photos And the new advanced camera sensor catches every detail, even in low-light.
  • More Power More Play Stop waiting around for your phone to charge With fast wireless charging, the Galaxy S7 edge powers up from 0 to 100% in no time And with our biggest battery, the ultra-slim Galaxy S7 edge gives you the power to keep going.
  • It's Your Stuff Keep It Running out of memory should never be a thing With the Samsung Galaxy S7 edge, it won’t be You can expand your memory up to an additional 200GB with a microSD card Forget the cloud or having to search for a hard driveCompatible with GSM networks such as AT&T and T-Mobile and CDMA networks such as Verizon, Sprint and us cellular Support for certain features and services such as vowifi and hotspot, vary by wireless service provider.
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WAVLINK AC1200 WiFi Router Dual Band Wireless Internet Router with Dual Band 2.4GHz +5GHz, 100Mbps WAN/LAN Ethernet Ports, 4 x 5dBi Omni Directional Antennas, Support Router,AP,Repeater Mode

  • ⭐【Dual Band Wireless Router】Dual Band Router for more WiFi devices, 5G 867Mbps and 2.4G 300Mbps simultaneous connections for 1167Mbps of available bandwidth. Simple tasks like sending emails or browsing the web can be handled by the 2.4GHz band while bandwidth intensive tasks like online gaming or 4K video streaming can be handled by the 5GHz band. Supports connect up to 64+ devices simultaneously..
  • ⭐【Wide Coverage WiFi Router】High Gain Antennas Expanded Wireless Coverage – 4 x 5dBi omni-directional antennas extremely improve wireless coverage on all WLAN networks, providing even better wireless performance and transmission speeds over longer distances, which means you can enjoy incredible wireless coverage and reliability anywhere in your home..
  • ⭐【3 Working Modes & Advanced Security】Supports Router Mode, LAN Bridge(AP) and WISP Modes. Router/AP Mode is ideal for converting wired networks into wireless networks, WISP mode is used to boost WiFi signals and extend WiFi coverage of existing wireless networks. WPA2 wireless security protocol keeps your Wi-Fi connection secure at all times..
  • ⭐【Stable Wired Connections】Wired Ethernet Ports – With one 10 / 1000Mbps WAN interface and four 10 / 100Mbps LAN interfaces, is perfect ....
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Unlocked Android Smartphone, CUBOT X50 Smartphone Unlocked, 6.67” FHD+ Screen Unlocked Cell Phone Android 11, 8GB + 128GB, 64MP+32MP Camera, 4G Dual SIM Unlocked Phones, 4500mAh Battery, US Version

  • ...CUBOT X50 Unlocked Smartphone 4G Network: GSM(850/900/1800/1900MHz).
  • FDD(1/2/3/4/5/7/8/12/13/17/18/19/20/25/26/28A+B/66).
  • CDMA(BC0/BC1/BC6). US compatibility Nationwide on most GSM Networks including AT&T, T-Mobile, Metro PCS, Straight Talk, Ting, and others. Not work with Cricket Wireless and CDMA Networks like Verizon, Sprint, and Boost Mobile).
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Bold N1 | 2020 | All Day Battery | Unlocked | 6.4” Full HD+ AMOLED All Screen Display | 128 GB | Dual 16MP Camera | US Version | US Warranty | Black

  • 6.4” Full HD+ AMOLED All Screen Display with Corning Gorilla Glass 5.
  • 13MP Selfie Pop-Up Selfie and Dual A.I Camera 16MP+5MP Depth Sensor Rear Camera.
  • 128GB Internal Memory, 4GB RAM. MicroSD up to 128GB.
  • 2.1GHz Octa-Core Mediatek Helio P70 Processor 64 Bit + A.I technology.
  • In-Display Fingerprint Sensor, Super 3,500mAh Battery 18W Ultra Quick Charger, USB Type-C and Wireless Charging compatible.
  • 4G LTE (1/2/3/4/7/8/12/13/17/28) 3G: (850/900/1700/1900/2100): US compatibility with GSM Networks including, T-Mobile, Metro PCS, and others. (Not....
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