Archive for April 2019
WiFi Alliance has announced WiFi 6 802.11ax standard. It will sit alongside the suite of 802.11 standards developed since 1997.
The new standard is capable of 1.2 Gb/s per MiMo stream in a 120 MHz wide channel.
The summary of WiFi 1-6 standards is below.
| Date | Band | Bandwidth | Max Speed | MIMO | Range |
Range |
WiFi | ||
| Standard | Issued | GHz | MHz | Mb/s | Streams | Modulation | Indoor | Outdoor | Version |
| 802.11-1997 | Jun-97 | 2.4 | 22 | 2 | N/A | DSSS, FHSS | 20 | 100 | WiFi 97 |
| 802.11b | Sep-99 | 2.4 | 22 | 11 | N/A | DSSS | 35 | 140 | WiFi 1 |
| 802.11a | Sep-99 | 5 | 5-20 | 54 | N/A | OFDM | 35 | 120 | WiFi 2 |
| 802.11g | Jun-03 | 2.4 | 5-20 | 38 | 140 | WiFi 3 | |||
| 802.11n | Oct-09 | 2.4/5 | 20 | 288 | 4 | MIMO-OFDM | 70 | 250 | WiFi 4 |
| 40 | |||||||||
| 802.11ac | Dec-13 | 5 | 20 | 346 | 8 | MIMO-OFDM | 35 | 120 | WiFi 5 |
| 40 | |||||||||
| 80 | 1733 | ||||||||
| 160 | |||||||||
| 802.11ax | Est. Dec 2019 | 2.4/5/6 | 20-160 | 10530 | ? | MIMO-OFDM | ? | ? | WiFi 6 |
| 802.11ad | Dec -12 | 60 | 2160 | 6757 | N/A | OFDM | 3 |