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Troubleshooting Yoosee Wi-Fi Camera Network Error 20102004

Jackie

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Typically network error 20102004 occurs because your smartphone or Wi-Fi camera can not access the Internet. If we connect the cameras to the wired Ethernet cable, then the camera will have a stable connection, network error 20102004 will not happen. Of course, we select and buy the Wi-Fi cameras because we like it to be hooked via Wi-Fi, not the Ethernet cable. So, how to solve this problem?

1. Please check if your smartphone has a good/normal Internet connection.
When your smartphone can not access the Internet, network error 20102004 will occur when using the App to access the camera.

2. Please ensuring your camera has a normal speed Internet connection.
When your camera has insufficient network bandwidth (speed is slow), the 20102004 error will occur too. Such kind of conditions including your Wi-Fi router connects with too many network devices or one of the device consume too much bandwidth.

3. Login your Wi-Fi router's admin page, go to WLAN function, Advanced settings, working mode change default "AUTO" to "11nght20". This can enable the camera to use the IEEE802.11n standard for data transmission. Yoosee cameras can support IEEE802.11b/g/n Wi-Fi standard.
802.11n standard can provide fast network connection when comparing with old 802.11b/g standard.

4. Change your Wi-Fi's working channel, go to advanced settings, change "Auto" to "12" or other channels that usually are less congested.
Before we keep the default settings of Wi-Fi (WLAN), we can see the network speed of connected camera is 26Mbps.
auto.jpg

After we changed the working mode to 802.1nght20, the network speed of camera is 52Mbps.
Channel12.jpg

Conclusion:
According to my test, the network error and offline error happens when the camera can not have sufficient network bandwidth (slow speed). With default WLAN settings on my router, I can set it up via smartlink, I also can watch the video. However, sometimes I could not access the camera because it showed offline error or network error. Even I could watch the video, but the video was not smooth, especially after I switched resolution to HD.
After I changed the WLAN settings (802.1nght20, channel 12), now I can watch real-time smooth video in HD resolution on App, CMSClient software, IPC debug tool, VLC (playing the rtsp video stream).
 
Last edited by a moderator:
If I changed the working mode to 11nght40minus (802.11ng_HT40) and channel 12, the speed of connected camera is 81Mbps:
11nght40minus.jpg
 
Meaning of Wi-Fi working mode:
AUTO: automatically select the working mode among 802.11b/g/n
802.11b: old working mode, slow speed
802.11g: old working mode, regular speed
802.11nght20 (802.11ng_HT20): n standard, max. 130Mbps high speed HT20 means 20M channel width.
802.11nght40minus (802.11ng_HT40Minus): n standard, max. 300Mbps high speed, 40 means 40M channel width.
802.11nght40plus (802.11ng_HT40Plus): n standard, max. 300Mbps high speed, 40 means 40M channel width.

The channel bandwidth in HT20 mode is 20 MHz, and the channel bandwidth in HT40 mode is 40 MHz. Two neighboring 20 MHz channels are bundled to form a 40 MHz channel. One channel functions as the main channel, and the other as the auxiliary channel. The main channel sends Beacon packets and data packets, and the auxiliary channel sends other packets. When the HT40 mode is used in the 2.4 GHz frequency band, there is only one non-overlapping channel. Therefore, you are not advised to use the HT40 mode in the 2.4 GHz frequency band.
Two neighboring 20 MHz channels are bundled to form a 40 MHz channel. If the center frequency of the main 20 MHz channel is higher than that of the auxiliary channel, 40MHz-plus is displayed; otherwise, 40MHz-minus is displayed. For example, if the center frequency 149 and the center frequency 153 reside on two 20 MHz channels, 149plus indicates that the two 20 MHz channels are bundled to form a 40 MHz channel.
 
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suggestion If you have it try setting short guard interval checkbox to on, on the wifi router connecting to the camera
 
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