technicolor CGA4131

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abgn+ac (AC2100)
DOCSIS 3.1 Cable Broadband Gateway
3rd Party Firmware
dd-wrt
Status Unknown
OpenWrt
Status Unknown
Tomato any flavor
Status Unknown
Platform
BrandModelRev
technicolor CGA4131 COM (Comcast)
FCC ID
Board ID
TCH CGA4131 V05
Type
wireless router, cable modem
CPU1
Broadcom BCM3390
CPU1 Type
ARM
CPU1 Speed
not specified ( 2 cores )
Flash1 Chip
Brand? Model?
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
Brand? Model?
ETH chip1
Broadcom BCM3390
Switch
Broadcom BCM3390
Cable Modem Spec
DOCSIS 3.1: (32 x 8)
Ethernet Port Count
4-1GbE-LAN
Wired Standard
IEEE 802.3i/3u/3ab

802dot11 OUI: 14:B7:F8
Ethernet OUI: 14:B7:F8

Stock FW OS
Linux 3.14.28
Expansion IF types
none specified
Power
100-240 VAC ~ 50/60 Hz, 1.65 A
Connector type
AC (direct)
Flags:
DOCSIS 3.1
Other
Manuf/OEM/ODM
Retail
FCC approval date 19 June 2017
Country of manuf China
Radio 1
Chip1
Broadcom BCM4366
Wireless interface OUI
14:B7:F8
Antenna Connector Type
none specified
MIMO status
4x4:4
Wireless Standard
IEEE 802.11a/n/ac
802.11ac
up to 1733 Mbps
802.11n
up to 600 Mbps
802.11a
up to 54 Mbps
WiFi Operating Frequency
5 GHz
Radio cor_rev
40
Radio 2
Chip1
Broadcom BCM43217
Wireless interface OUI
14:B7:F8
Antenna Connector Type
none specified
MIMO status
2x2:2
Wireless Standard
IEEE 802.11b/g/n
802.11n
up to 300 Mbps
802.11g
up to 54 Mbps
802.11b
up to 11 Mbps
WiFi Operating Frequency
2.4 GHz
Radio cor_rev
24

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

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

1733 Mbps - 4SS 5GHz 802.11ac (80MHz chan.),
300 Mbps - 2SS 2.4GHz 802.11n (40MHz chan.) = AC2100 class

Overview

Part Number: CGA4131COM (CBR-T) - Comcast Xfinity

  • DOCSIS 3.1 dual 192Mhz downstream OFDM plus 32 SC-QAM channels
  • DOCSIS 3.1 dual 96Mhz upstream OFDM plus 8 SC-WAM channels


Product: CGA4131-P15-13-A000-c2100r1712 - CGA4131TCH
Wi-Fi Component: BCM4366 (v10.10.122.303), BCM43217
Product. Technicolor. Company. September 11, 2017.
2.4 GHz, 5 GHz - Concurrent.
2 Spatial Streams 2.4 GHz. 4 Spatial Streams 5 GHz.
Short Guard Interval. Greenfield Preamble. TX A-MPDU. STBC Transmit.

Note: A note in the Test Report NII document at the FCC says,

"2.4GHz and 5GHz technology cannot transmit at same time".

This may refer to the BCM4366 radio instead of the device as a whole.

TCH CGA4131 CBR LION BATTERY PACK, HS CODE: 850760

Links of Interest

See also

2x2 OFDM(A) bonded channels in DOCSIS 3.1 mode
32x8 bonded channels in DOCSIS 3.0 mode
Dual-band concurrent 802.11n 2.4GHz (3x3)
and 802.11ac 5GHz (4x4) Wi-Fi interfaces
MoCA 2.0 interface (optional)
1.2GHz full band capture tuner
4x Gigabit Ethernet LAN ports