Espressif Systems ESP Faq page 12

4.10.12 [Connect] How do ESP8266 and ESP32 hide SSID in SoftAP mode?
4.10.13 Does the buffer parameter in esp_wifi_802.11_tx interface include FCS?
4.10.14 What is the supported Wi-Fi frequency band and power meter for ESP-WROOM-32D?
4.10.15 What is the maximum value of ESP32 Wi-Fi RF power？
4.10.16 How does ESP32 adjust Wi-Fi TX power?
4.10.17 [Connect] How many devices is ESP32 able to connect in AP mode?
4.10.18 [Connect] How do Wi-Fi modules rank signal strength levels based on RSSI values？
4.10.19 [Connect] Why does ESP32 disconnect from STA when it is in Soft-AP mode?
4.10.20 [Connect] While ESP32 connecting Wi-Fi, how can I determine the reason of failure by
error codes? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
4.10.21 Does ESP32 perform domain name resolution each time it connects to the server?
4.10.22 [Connect] What does the number after the state machine switch in Wi-Fi log mean?
4.10.23 [Connect] What does bcn_timeout, ap_probe_send_start mean？
4.10.24 [Connect] How to reconnect Wi-Fi after it disconnected?
4.10.25 [Connect] When does ESP32 disconnect from SoftAP in station mode？
4.10.26 [Scan] Why does the STA cannot find any AP sometimes during the scanning?
4.10.27 [Scan] What is the maximum number of APs that can be scanned？
4.10.28 [Scan] Can I choose to connect the best AP when there are multiple APs with identical
ssid/password during the scan？
4.10.29 [Scan] How to configure scan_method in the wifi_sta_config_t structure? What is the dif-
ference between all_channel_scan and fast_scan?
4.10.30 [LWIP] How to get error code of the socket?
4.10.31 [LWIP] What is the default keep-alive time of TCP?
4.10.32 [LWIP] What is the retransmission interval of TCP？
4.10.33 [LWIP] What is the maximum number of sockets that can be created?
4.10.34 [Sleep] What kinds of sleeping mode does ESP32 have? What are the differences?
4.10.35 [Sleep] How can I enable the dynamic frequency scaling function for ESP32 in Modem-
sleep mode? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
4.10.36 [Sleep] How low can the speedstep function go for ESP32 in modem sleep mode？
4.10.37 [Sleep] What affects the average current of ESP32 in modem sleep mode?
4.10.38 [Sleep] Why the average current measured in modem sleep mode is a bit high?
4.10.39 [Sleep] Why the average current measured in light sleep mode is a bit high?
4.10.40 [Sleep] What kinds of power-saving modes does ESP32 have? What are the differences?
4.10.41 Does ESP8266 support 802.11k/v/r protocol?
4.10.42 Does ESP32 Wi-Fi support roaming between different APs with the same SSID?
4.10.43 [Connect] After the NONOS_SDK updated from version 2.1.0 to 2.2.2, why does the
connecting time become longer？
4.10.44 How does ESP32 receive and transmit Wi-Fi 802.11 packets?
4.10.45 [Connect] The ESP32 and ESP8266 failed to connect to router, what could be the
4.10.46 [Connect] What kind of networking methods does ESP8266 have？
4.10.47 [Connect] What are the specifications of Wi-Fi parameters when using SmartConfig?
4.10.48 [Connect] Does ESP8266 Wi-Fi support WPA2 enterprise-level encryption？
4.10.49 [Connect] What are the low-power modes for ESP32 to maintain its connection to Wi-Fi?
4.10.50 Do Espressif's chips support WPA3?
4.10.51 [Connect] How does the device choose AP when there are multiple identical SSIDs in the
current environment?
4.10.52 [Connect] Does ESP8266 have repeater solutions?
4.10.53 What is the retransmission time for ESP32's data frame and management frame？Can
this be configured？
4.10.54 How to customize the hostname for ESP32？
4.10.55 How to obtain 802.11 Wi-Fi packets？
4.10.56 Does ESP32 Wi-Fi support PMF (Protected Management Frames) and PFS (Perfect For-
ward Secrecy)？
4.10.57 Why does ESP8266 print out an AES PN error log when using esptouch v2?
4.10.58 Does ESP32 WFA certification support multicast?
4.10.59 When using ESP32 to establish a hotspot, can I scan all APs and the occupied channels
first, and then select the smallest and cleanest channel to establish my own AP?
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