technicolor CGM4140COM

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abgn+ac (AC9600)
wireless router, cable modem
technicolor CGM4140 COM
XB6-T (Comcast)
wireless router, cable modem
Broadcom BCM3390Z
CPU1 Speed
1.5 GHz ( 2 cores )
Quantenna QT10GA
Flash1 Chip
SanDisk SDIN8DE4-16G
Flash1 Size
16 GiB 16,384 MiB <br />17,179,869,184 B <br />134,217,728 Kib <br />16,777,216 KiB <br />131,072 Mib <br />
Flash2 Chip
Winbond W25Q128FVFG
Flash2 Size
16 MiB16,777,216 B <br />131,072 Kib <br />16,384 KiB <br />128 Mib <br />0.0156 GiB <br />
RAM1 Size
1 GiB 1,024 MiB <br />1,073,741,824 B <br />8,388,608 Kib <br />1,048,576 KiB <br />8,192 Mib <br />
RAM1 Chip
Micron MT41K256M16TW-093:P x 2
RAM2 Size
256 MiB268,435,456 B <br />2,097,152 Kib <br />262,144 KiB <br />2,048 Mib <br />0.25 GiB <br />
RAM2 Chip
Micron MT41K64M16TW-107:J x 2
ETH chip1
Broadcom BCM3390Z
Broadcom BCM3390Z
Ethernet Port Count

802dot11 OUI: none specified

Stock FW OS
Linux 3.14.28
Expansion IF types
none specified
DOCSIS 3.1, VoIP, Bluetooth 5.0 LE, MU-MIMO, VHT160, DFS (master), MoCA 2.0, ZigBee, Thread

Additional chips
2.4GHz RF Front End Module;Qorvo (RFMD);RFFM4252;Q, 4252, QPK2;2;
5GHz RF Front End Module;Qorvo (RFMD);RFFM4558;4558, BECK;8;
Mighty Gecko Mesh Networking Wireless SoCs for Zigbee and Thread;Silicon Labs;EFR32MG;EFR32, MG1B232GG, 1645C00CC5;1;
Blue Gecko Bluetooth Low Energy SoC;Silicon Labs;EFR32BG;EFR32, BG1B232GG, 1650C00D8S;1;
MoCA PA/LNA;Broadcom;BCM3451;3451, KMLG 10, TS1634 A, 620580 1W;1;


Default SSID: XFSETUP-XXXX (1 addl. devices)

Availability distribution via ISP
FCC approval date 14 June 2017
Country of manuf Vietnam
Radio 1
Quantenna QT10GA
Quantenna QT7810C
Wireless interface OUI
none specified
Antenna Connector Type
none specified
MIMO status
Wireless Standard
IEEE 802.11a/n/ac
Radio 2
Quantenna QT10GA
Quantenna QT6210B
Wireless interface OUI
none specified
Antenna Connector Type
none specified
MIMO status
Wireless Standard
IEEE 802.11b/g/n

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

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

8668 Mbps - 8SS 5GHz 802.11ac (160MHz chan., 1024-QAM),,
1000 Mbps - 4SS 2.4GHz 802.11n (40MHz chan., 1024-QAM) = AC9600 class

This device is also known as the XB6-T for Comcast Xfinity

  • 32x8 channel bonding - enables extreme cable Internet speeds
  • OFDM 2x2 - enables Gigabit Internet speeds
Compatible with Xfinity from Comcast

The SanDisk flash part number looks more like SDIN8DG4-16G but

I can't find any reference to that part.

DFS support was added in a Class II Product Change request on 11/28/2017.

Wi-Fi Certified : WFA73469 (as of 10/16/2017)

Press releases

Technicolor made model to use Broadcom chipset
Arris version powered by Intel silicon

See also

List of DOCSIS Cable Modems