Reviews Quad band Module

TP-Link WiFi 6 Router AX1800 Smart WiFi Router (Archer AX20) – 802.11ax Router, Dual Band Gigabit Router, Parental Controls, Long Range Coverage

  • ...technology communicates more data to more devices simultaneously using revolutionary OFDMA technology.
  • Extensive Coverage: Achieve the strong, reliable Wi-Fi coverage with Archer AX1800 as it focuses signal strength to your devices far away using Beamforming technology, 4 high-gain antennas and an advanced front-end module (FEM) chipset.
  • Powerful Quad-Core Processing For Minimal Latency: The powerful 1. 5 GHz quad-core CPU ensures communications between your wifi ax router and connected devices are smooth.
  • Easy setup: set up your Internet router in minutes with the powerful TP-Link tether app.
  • Works with all internet service providers, such as AT&T, Verizon, Xfinity, Spectrum, RCN, Cox, CenturyLink, Frontier, etc.( a modem is required for most internet service providers).
  • Increased battery life for devices: target wake time technology reduces your devices Power consumption to extend their battery life.
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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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OWC 8.0GB DDR3 ECC PC10600 1333MHz DIMM Memory Upgrade Module Compatible with Mac Pro 2009-2012

  • Memory Upgrade Module Compatible With Mac Pro 2009-2012 'Nehalem' & 'Westmere' models and PC desktops.
  • 8.0GB OWC Brand PC10600 DDR3 ECC 1333 MHz 240 pin DIMM Memory module Compatible With Mac Pro 2009-2012 'Nehalem' & 'Westmere' models.
  • Perfect for the Mac Pro 8-core / Quad-core Xeon systems!.
  • Compatible: Mac Pro 12-Core (Model ID: MacPro5,1) Mac Pro 8-Core (Model ID: MacPro5,1) Mac Pro 6-Core (Model ID: MacPro5,1) Mac Pro Quad-Core....
  • OWC Memory Lifetime Limited Warranty including Advanced Replacement Program.
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CHUWI GemiBook X Windows 10 Laptop Computer 15.6in FHD Laptop 4G RAM 128GB NVMe SSD with Celeron N5100 Processor 1920x1080 2K IPS Display Notebook PC Backlit Keyboard

  • ✔ Powerful Performance Processor - GemiBook X Win 10 Laptop features Newest 11st generation intel celeron Japerlake N5100 quad core CPU,Turbo....
  • ✔ Runs Smoothly without Waiting - GemiBook X Gaming Laptop with 4GB DDR4 RAM 128GB SSD high-speed storage,read and write speeds beyond 5OOMB, gives....
  • ✔ High Speed Wireless Connection - This traditional laptop computers With Intel Wireless-AC 7265 wireless module for supporting 2.4G/5G dual band,....
  • ✔ Integrated Sperakers & Full-sized keyboard- This 15.6 inch Laptop with 1920x1080 resolution and 16:9 classic scale for sharp and bright videos and....
  • ✔ Independent SSD&DDR Slot Design - GemiBook X Laptop PC equipped with ample ports for a multitude of applications and support for 2.4/5G dual-band....
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LG G3 D851 32GB T-Mobile - Silky White Unlocked

  • Experience 4x the resolution of HD, with a 5.5" Quad HD screen.
  • Capture crisp photos using a 13 MP camera with Laser Auto Focus and Optical Image Stabilization (OIS)+.
  • Feel the speed of a 2.5GHz Snapdragon quad-core processor AND 3GB RAM, 32GB ROM (user memory), 32GB (internal memory), Micro SD: 128GB up to 2TB.
  • UMTS: Band I (2100), Band II (1900), Band IV (1700/2100), Band V (850).
  • Sync methods: WiFi, USB,4G Capable,4G LTE Capable,Wi-Fi and Mobile Calling.
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LG G3 D851 4G LTE 32GB GSM Unlockedx200E Smartphone Metallic Black

  • Experience 4x the resolution of HD, with a 5.5" Quad HD screen.
  • Capture crisp photos using a 13 MP camera with Laser Auto Focus and Optical Image Stabilization (OIS)+.
  • Feel the speed of a 2.5GHz Snapdragon quad-core processor AND 3GB RAM, 32GB ROM (user memory), 32GB (internal memory), Micro SD: 128GB up to 2TB.
  • UMTS: Band I (2100), Band II (1900), Band IV (1700/2100), Band V (850).
  • Sync methods: WiFi, USB,4G Capable,4G LTE Capable,Wi-Fi and Mobile Calling.
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Radioddity DB25 Pro Dual Band Quad-Standby Mini Mobile Car Truck Radio 4 Color Display 25W Vehicle Transceiver with Cable + High Gain Quad Band Antenna

  • ▼DUAL BAND QUAD STANDBY & MINI: This is a mini dual band radio with quad-standby and four colors screen display. Broad (Wide) / Narrowband (Narrow)....
  • ▼ QUAD BAND ANTENNA: Say goodbye to awful using experience like signal dropping or excessive distortion! With the 50W powerful high gain quad band....
  • ▼ MULTI FUNCTIONS: Radioddity DB25 Pro is the latest dual-band car radio model of Radioddity, which features dual synchronized display mode, mic....
  • ▼ WHAT MAKES US BETTER: Different from most other dual band car radios on the market, DB25 Pro is with louder and clearer sound, making sure you can....
  • ▼ ABOUT PROGRAMMING: Please download the programming software on Radioddity site or message us for it. If you use Chirp, please choose QB25 and do....
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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.
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RedTagCanada SIM900 Quad Band GSM GPRS Quad-Band Modules 2G Shield Development Board for R3 Mega with Antenna for Arduino SCM & DIY Kits

  • ...rt 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..
  • Control via AT commands - Standard Commands: GSM 07.07 & 07.05 | Enhanced.
  • Power jack - connected to external 4.8~5VDC power supply, Antenna interface - connected to external antenna, Serial port select - select either software serial port or hardware serial port to be connected to GPRS Shield.
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Development Board Module Kit Fit for 850/900/1800/1900 MHz GPRS/GSM Antenna, 5~26V

  • Computer debugging USB--TTL. This module is powered by: 5V-26V, 5V 2A power supply is recommended. After plugging in the motherboard, the power supply must be able to supply 2A. The reason is that the GPRS Shield startup current and the maximum top current required to work up to 2A, but the USB port can not provide such a large current, so the external power supply equipment must be provided..
  • The other power supply port leads to the 3.7--4.5V power supply for lithium battery power supply. The serial port is perfectly compatible. The TTL serial port is compatible with 3.3 and 5V microcontrollers..
  • 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..
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