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technicolor CGM4140COM

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technicolor CGM4140 COM
XB6-T (Comcast)

Availability: distribution via ISP

FCC approval date: 14 June 2017
Country of manuf.: Vietnam
Series: AC9600

Type: wireless router, cable modem


Power: 100-130 VAC ~ 60 Hz, 1.5 A

CPU1: Broadcom BCM3390Z (1.5 GHz, 2 cores)
CPU2: Quantenna QT10GA
FLA1: 16 GiB
16,384 MiB
17,179,869,184 B
134,217,728 Kib
16,777,216 KiB
131,072 Mib
(SanDisk SDIN8DE4-16G)
FLA2: 16 MiB
16,777,216 B
131,072 Kib
16,384 KiB
128 Mib
0.0156 GiB
(Winbond W25Q128FVFG)
RAM1: 1 GiB
1,024 MiB
1,073,741,824 B
8,388,608 Kib
1,048,576 KiB
8,192 Mib
(Micron MT41K256M16TW-093:P × 2)
RAM2: 256 MiB
268,435,456 B
2,097,152 Kib
262,144 KiB
2,048 Mib
0.25 GiB
(Micron MT41K64M16TW-107:J × 2)

Expansion IFs: none specified

WI1 chip1: Quantenna QT10GA
WI1 chip2: Quantenna QT7810C
WI1 802dot11 protocols: an+ac
WI1 MIMO config: 8x8:8
WI1 antenna connector: none
WI2 chip1: Quantenna QT10GA
WI2 chip2: Quantenna QT6210B
WI2 802dot11 protocols: bgn
WI2 MIMO config: 2x2:2
WI2 antenna connector: none

ETH chip1: Broadcom BCM3390Z
Switch: Broadcom BCM3390Z
LAN speed: 1G
LAN ports: 2


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;

Stock FW OS: Linux 3.14.28

Flags: DOCSIS 3.1, VoIP, Bluetooth 5.0 LE, MU-MIMO, VHT160, DFS (master), MoCA 2.0, ZigBee, Thread

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

802dot11 OUI: none specified

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.

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 (alt.) (as of 10/16/2017)

Press releases[edit]

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

See also[edit]

List of DOCSIS Cable Modems