# Wi-Fi

# Comparatif des différents WIFI

##### Tableau :

<table border="1" id="bkmrk-norme-wifi-1-%28802.11" style="border-collapse: collapse; width: 99.3827%; height: 216px;"><tbody><tr style="height: 42px;"><td class="align-center" style="width: 12.5926%; height: 42px;">**Norme**</td><td class="align-center" style="width: 14.3212%; height: 42px;">**Wifi 1 (802.11a)**</td><td class="align-center" style="width: 14.5678%; height: 42px;">**Wifi 2 (802.11b)**</td><td class="align-center" style="width: 14.568%; height: 42px;">**Wifi 3 (802.11g)**</td><td class="align-center" style="width: 14.5679%; height: 42px;">**Wifi 4 (802.11n)**</td><td class="align-center" style="width: 15.2471%; height: 42px;">**Wifi 5 (802.11ac)**</td><td class="align-center" style="width: 15.3703%; height: 42px;">**Wifi 6 (802.11ax)**</td></tr><tr style="height: 29px;"><td style="width: 12.5926%; height: 29px;">Fréquences</td><td class="align-center" style="width: 14.3212%; height: 29px;">5GHz</td><td class="align-center" style="width: 14.5678%; height: 29px;">2.4GHz</td><td class="align-center" style="width: 14.568%; height: 29px;">2.4GHz</td><td class="align-center" style="width: 14.5679%; height: 29px;">2.4GHz et 5GHz</td><td class="align-center" style="width: 15.2471%; height: 29px;">5GHz</td><td class="align-center" style="width: 15.3703%; height: 29px;">2.4GHz et 5GHz</td></tr><tr style="height: 29px;"><td style="width: 12.5926%; height: 29px;">Largeur de bande</td><td class="align-center" style="width: 14.3212%; height: 29px;">20 MHz</td><td class="align-center" style="width: 14.5678%; height: 29px;">20 MHz</td><td class="align-center" style="width: 14.568%; height: 29px;">20 MHz</td><td class="align-center" style="width: 14.5679%; height: 29px;">20, 40MHz</td><td class="align-center" style="width: 15.2471%; height: 29px;">20, 40, 80MHz</td><td class="align-center" style="width: 15.3703%; height: 29px;">20, 40, 80, 160MHz</td></tr><tr style="height: 29px;"><td style="width: 12.5926%; height: 29px;">Débit Max</td><td class="align-center" style="width: 14.3212%; height: 29px;">54 Mbps</td><td class="align-center" style="width: 14.5678%; height: 29px;">11 Mbps</td><td class="align-center" style="width: 14.568%; height: 29px;">54 Mbps</td><td class="align-center" style="width: 14.5679%; height: 29px;">144/300 Mbps</td><td class="align-center" style="width: 15.2471%; height: 29px;">3.4 Gbps</td><td class="align-center" style="width: 15.3703%; height: 29px;">10.5 Gbps</td></tr><tr style="height: 29px;"><td style="width: 12.5926%; height: 29px;">Nombre maximum de flux MIMO</td><td class="align-center" style="width: 14.3212%; height: 29px;">1</td><td class="align-center" style="width: 14.5678%; height: 29px;">1</td><td class="align-center" style="width: 14.568%; height: 29px;">1</td><td class="align-center" style="width: 14.5679%; height: 29px;">4</td><td class="align-center" style="width: 15.2471%; height: 29px;">8</td><td class="align-center" style="width: 15.3703%; height: 29px;">8</td></tr><tr style="height: 29px;"><td style="width: 12.5926%; height: 29px;">MU-MIMO</td><td class="align-center" style="width: 14.3212%; height: 29px;">NON</td><td class="align-center" style="width: 14.5678%; height: 29px;">NON</td><td class="align-center" style="width: 14.568%; height: 29px;">NON</td><td class="align-center" style="width: 14.5679%; height: 29px;">NON</td><td class="align-center" style="width: 15.2471%; height: 29px;">DOWN</td><td class="align-center" style="width: 15.3703%; height: 29px;">UP + DOWN</td></tr><tr style="height: 29px;"><td style="width: 12.5926%; height: 29px;">Codage / Modulation</td><td class="align-center" style="width: 14.3212%; height: 29px;">OFDM</td><td class="align-center" style="width: 14.5678%; height: 29px;">DSSS</td><td class="align-center" style="width: 14.568%; height: 29px;">OFDM</td><td class="align-center" style="width: 14.5679%; height: 29px;">OFDM</td><td class="align-center" style="width: 15.2471%; height: 29px;">OFDM</td><td class="align-center" style="width: 15.3703%; height: 29px;">OFDM + OFDMA</td></tr><tr><td style="width: 12.5926%;">Débit / Ant.</td><td class="align-center" style="width: 14.3212%;">54Mbps</td><td class="align-center" style="width: 14.5678%;">11Mbps</td><td class="align-center" style="width: 14.568%;">54Mbps</td><td class="align-center" style="width: 14.5679%;">72/150Mbps</td><td class="align-center" style="width: 15.2471%;">433Mbps</td><td class="align-center" style="width: 15.3703%;">143/1299Mbps</td></tr></tbody></table>