Antenna Handbook: Phones
Showing posts with label Phones. Show all posts
Showing posts with label Phones. Show all posts

The Optimized Wireless Charging Stand for you !

PowerWave Stand
The Optimized Wireless Charging Stand
Versatile Viewing
Twin charging coils let you watch videos in landscape orientation, or stand in portrait mode for web browsing and facial recognition—all while keeping the power flowing.
Just in Case
Don’t worry about taking your case off whenever you have to charge. PowerWave delivers charging power directly through cases up to 5 mm thick—including Otterboxes.
Input: 5V-2A / 9V-2A
Output: 5W / 10W
Compatibility:
10W Fast Charge Mode: (Using Quick Charge 2.0/3.0 Adapter)
  • Samsung Galaxy S10 / S9+ / S9 / S8 / S8+ / S7 edge / S7 / S6 edge+
  • Samsung Note 10 / Note 9 / Note 8 / Note 7
5W Standard Charge Mode: (Using 5V/2A Adapter)
  • iPhone 11 / 11 Pro / 11 Pro Max / XS Max / iPhone XR / iPhone XS / iPhone X / iPhone 8 / 8 Plus
  • All other Qi-enabled phones and devices
  • Pixel 3 / Pixel 3XL (The phone's screen will display the message: Charging slowly).
Notes:
  • Do not use Apple's 5V / 1A stock charger or a computer's USB port to power your wireless charger.
  • Place your phone on the center of the PowerWave Stand to ensure stable charging.
  • Cases made of metal and attachments such as magnets, cards, and grips will interfere with charging.
  • Quick Charge 2.0/3.0 wall adapter required for Fast Charge Mode.
Faster for Samsung
Optimized to match the charging requirements of the latest Samsung devices. A full charge takes 30 minutes less than other wireless chargers.

Universal Compatibility

Works with iPhone and other wirelessly charged devices.

Switch it Up

Place horizontally to enjoy videos while charging, or go vertical for video conferencing or to use facial recognition technology.

Through-Case Charging

PowerWave Stand supports charging through phone cases up to 5 mm thick. Please note that cases made of metal, and external attachments such as magnets, credit cards, grips, and stands will interfere with charging.

Don't Panic If Phones or Laptop Power Run Out, This Car Power Inverter will Solve your Problem


If you travel by car, in the down town city, or more outside the city, now you don't need to be afraid if you run out the power of cellphones or laptop batteries and for other purposes, such as TVs, cameras, beard shaves, now there is a Car Power Inverter from NDDI with 200 Watt Output Power and 400 Peak Power, there is also a car power inverter with 400 Watt and 600 Watt output power, 12 VDC to 110 V AC, lightweight and portable. If you use this car power inverter please pay attention to these lists : 
Avoid operate the inverter while hand is wet. Avoid input the AC to the power inverter. 

Avoid using products that exceed the peak value of the product. 

Avoid use cigarette lighter plug when using inverter on device over 200w. 

Avoid leaving the power inverter in the "ON" states while your car is "OFF". 

Avoid prolonged exposure to sunlight, resulting in excessive product temperature or scald.Check it Out !

Spot X Satellite Messenger an important safety device for emergencies off grid


SpotX is Great Device for Camping, mount climber, hiking to your family and friends while you far from them. It sync with google map and your family and friends could know your position in the map , very save device and works very well in cold and rainy temperature, also there is features you can update to your social media twitter and facebook your realtime position and text message and email shows your exact GPS and altitude position. 
There is SOS button and if you press will exactly tell your family and friends exactly your  coordinate position. 
Spot X is great safety and emergencies device you can count in off grid area. 
71% Customers satisfied with SpotX , 29% giving 1-2 star on SpotX.
SpotX can exchange message and email from any virtual account anywhere in the world.
Can Sent SOS to 24/7 rescue center, can check tracking with certain interval time let your family and friends know you're ok and have interface with google maps. 

Electronic Stethoscope Circuit

 
Electronic Stethoscope Circuit 

Using 1 BC548 Transistor  ,and several passive components , and Buzzer 1 also 4,5 V Battery . Source Elektor Electronic


The modern digital stethoscope as The 3M Littmann CORE Digital Stethoscope features the outstanding acoustics, comfort and quality of a Littmann cardiology-grade stethoscope enhanced by powerful digital technology. Features like up to 40x amplification* and active noise cancellation can help you auscultate with greater confidence. The Littmann CORE Digital Stethoscope connects with Eko software on a smart device** to visualize, record and share data.

*40X amplification based on comparison of analog versus electronically assisted amplified listening with maximum volume at the peak frequency(125 Hz). Check it Out !