JCG Q20

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abgn+ac+ax (AX1800)
wireless router
JCG Q20.jpg
3rd Party Firmware
dd-wrt
Status Unknown
OpenWrt
Tomato any flavor
Incompatible
Gargoyle
Status Unknown
Platform
BrandModelRev
JCG Q20
FCC ID
none specified
Type
wireless router
CPU1
CPU1 Type
MIPS 1004Kc
CPU1 Speed
880 MHz ( 2 cores ) 16-bit
Flash1 Chip
ESMT F59L1G81MB
Flash1 Size
128 MiB134,217,728 B <br />1,048,576 Kib <br />131,072 KiB <br />1,024 Mib <br />0.125 GiB <br />
RAM1 Size
256 MiB268,435,456 B <br />2,097,152 Kib <br />262,144 KiB <br />2,048 Mib <br />0.25 GiB <br />
RAM1 Chip
Winbond W632GU6NB-11
ETH chip1
Switch
Ethernet Port Count
1-1GbE-WAN
2-1GbE-LAN
Wired Standard
IEEE 802.3i/3u/3ab

802dot11 OUI: none specified

Stock bootloader
U-Boot
Expansion IF types
none specified
Power
12 VDC, 1 A
Connector type
barrel
Flags:
Wi-Fi 6
Other

Default SSID: ChinaNet-xSMG
, ChinaNet-xSMG-5G
Default IP address: 192.168.2.1
the IP 192.168.2.1 is used by 295 additional devices
of which 0 are JCG devices

3rd Party Firmware Support
OpenWrt • (List | Dev | DLs)
Radio 1
Chip1
MediaTek MT7905DAN
Chip2
MediaTek MT7975DN
Wireless interface OUI
none specified
Antenna Connector Type
none specified
MIMO status
2x2:2
Wireless Standard
IEEE 802.11b/g/n/ax
802.11ax
up to 574 Mbps
802.11n
up to 300 Mbps
802.11g
up to 54 Mbps
802.11b
up to 11 Mbps
802.11a
up to 54 Mbps
WiFi Operating Frequency
2.4 GHz
Radio 2
Chip1
MediaTek MT7905DAN
Chip2
MediaTek MT7975DN
Wireless interface OUI
none specified
Antenna Connector Type
MHF4
MIMO status
2x2:2
Wireless Standard
IEEE 802.11a/n/ac/ax
802.11ax
up to 1201 Mbps
802.11ac
up to 867 Mbps
802.11n
up to 300 Mbps
802.11a
up to 54 Mbps
WiFi Operating Frequency
5 GHz

For a list of all currently documented MediaTek chipsets with specifications, see MediaTek.

For a list of all currently documented JCG device with specifications, see JCG.

1201 Mbps - 2SS 5GHz 802.11ax (80MHz chan., 1024-QAM)
574 Mbps - 2SS 2.4GHz 802.11ax (40MHz chan., 256-QAM) = AX1800 class

Overview

Review on acwifi.net

Flashing

Flashing OpenWrt

On the OpenWrt ToH (techdata entry)
OpenWrt Target: ramips
OpenWrt Subtarget: mt7621
OpenWrt Package architecture: mipsel_24kc
Support started version: 21.02.0
Current supported version: 23.05.3

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