technicolor CGM4140COM

abgn+ac (AC9600)
wireless router, cable modem
3rd Party Firmware
dd-wrt	Status Unknown
OpenWrt	Status Unknown
Tomato any flavor	Status Unknown
Platform
Brand • Model • Rev	technicolor CGM4140COM XB6-T (Comcast)
FCC ID	G95CGM414X
Type	wireless router, cable modem
CPU1	Broadcom BCM3390Z
CPU1 Type	ARM
CPU1 Speed	1.5 GHz ( 2 cores )
CPU2	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
Switch	Broadcom BCM3390Z
Cable Modem Spec	DOCSIS 3.0: (32 x 8)
Ethernet Port Count	2-1GbE-LAN
Wired Standard	IEEE 802.3i/3u/3ab
802dot11 OUI: none specified
Stock FW OS	Linux 3.14.28
Expansion IF types	none specified
Power	100-130 VAC ~ 60 Hz, 1.5 A
Flags: 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;
Other
Default SSID: XFSETUP-XXXX (1 addl. devices) , SETUP-1234
Retail
Availability	distribution via ISP
FCC approval date	14 June 2017
Country of manuf	Vietnam
Radio 1
Chip1	Quantenna QT10GA
Chip2	Quantenna QT7810C
Wireless interface OUI	none specified
Antenna Connector Type	none specified
MIMO status	8x8:8
Wireless Standard	IEEE 802.11a/n/ac
Radio 2
Chip1	Quantenna QT10GA
Chip2	Quantenna QT6210B
Wireless interface OUI	none specified
Antenna Connector Type	none specified
MIMO status	2x2:2
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

Overview

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)

Links of Interest

Press releases

• Comcast Taps Arris, Technicolor for XB6 Gateways on Multichannel News

Technicolor made model to use Broadcom chipset

Arris version powered by Intel silicon

See also

List of DOCSIS Cable Modems

• Arris TG3442 - Intel Puma 7
• Arris TG3452 - Intel Puma 7
• Arris TG3462 - Intel Puma 7
• Arris TG3482ER - Intel Puma 7
• Technicolor CGA4131 - Broadcom BCM3390
• Technicolor CGM4140COM - Broadcom BCM3390
• Technicolor TC4400 - Broadcom BCM3390