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technicolor CGA4131

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technicolor CGA4131 COM (Comcast)

Manuf/OEM/ODM Pegatron

FCC approval date: 19 June 2017
Country of manuf.: China

Type: wireless router, cable modem

FCC ID: VUICGA4131
PCB ID: TCH CGA4131 V05

Power: 100-240 VAC ~ 50/60 Hz, 1.65 A

CPU1: Broadcom BCM3390
FLA1: 128 MiB
134,217,728 B
1,048,576 Kib
131,072 KiB
1,024 Mib
0.125 GiB
(Brand? Model?)
RAM1: 256 MiB
268,435,456 B
2,097,152 Kib
262,144 KiB
2,048 Mib
0.25 GiB
(Brand? Model?)

Expansion IFs: none specified

WI1 chip1: Broadcom BCM4366
WI1 802dot11 protocols: an+ac
WI1 MIMO config: 4x4:4
WI1 antenna connector: none
WI2 chip1: Broadcom BCM43217
WI2 802dot11 protocols: bgn
WI2 MIMO config: 2x2:2
WI2 antenna connector: none

ETH chip1: Broadcom BCM3390
Switch: Broadcom BCM3390
LAN speed: 10/100/1000
LAN ports: 4

abgn+ac

Stock FW OS: Linux 3.14.28

Flags: DOCSIS 3.1

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

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


DOCSIS 3.1 Cable Broadband Gateway

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

This device was under short-term confidentiality, but that expired 12/16/2017.

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

See also[edit]

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