Tags » 802.11

FPV range and latency test in a noisy environment

This post presents some range and latency test results using my wifibroadcast software together with two TL-WN722N wifi sticks transferring a video signal from a raspberry pi. 779 more words

Project- ESP8266

The ESP8266 chip is made by Espressif ( www.espressif.com ).

  1. Introduction
    ESP8266 is a highly integrated chip designed for the needs of a new connected world.
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802.11 Physical layer Standard

FCC releases ISM bands for unlicensed uses in 1985

1997

Original 802.11 standard was (1997) :

CCNA

Roaming Capacity Isn't an Accident

Your hardware is capable of a lot of roaming events. Here is 20 roaming events a second across two abgn cards with 164 virtual stations each and two abgn cards running hostapd. 31 more words

Wifi

(True) Unidirectional Wifi broadcasting of video data for FPV

This post shows how to broadcast data over 802.11 devices with a true unidirectional data flow. No need to be associated to a network (thus no risk of being disassociated) and no acknowledgements are sent from receiver to transmitter. 1,308 more words

Channel Planning isn't Easy for Algorithms

If you’ve ever had to create a manual channel plan where spectrum is scarce, you know how hard it is to get it right. You run out of virgin spectrum, then the difficult choice of channel reuse is encountered. 465 more words

Wifi

Taking Wi-Fi to Sub 1 GHz

The Internet of Things (IoT) is the catalyst for a number of new standards that will reshape wireless connectivity as we know it. Examples: Bluetooth LE… 532 more words

Wireless Networks