Motorola MB7420

Motorola 16x4 Cable Modem, Model MB7420, DOCSIS 3.0
Homepage	Product page
Support	Support page
Wikipedia	Motorola
3rd Party Firmware
dd-wrt	Status Unknown
OpenWrt	Incompatible
Tomato any flavor	Incompatible
Platform
Brand • Model • Rev	Motorola MB7420
Type	cable modem
CPU1	Broadcom BCM33843D
CPU1 Type	MIPS BMIPS5000
CPU1 Speed	600 MHz ( 2 cores )
Flash1 Chip	Brand? Model?
Flash1 Size	4 MiB4,194,304 B <br />32,768 Kib <br />4,096 KiB <br />32 Mib <br />0.00391 GiB <br />
RAM1 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 Chip	Brand? Model?
ETH chip1	Brand? Model?
Cable Modem Spec	DOCSIS 3.0: (16 x 4)
Ethernet Port Count	1-1GbE-LAN
Wired Standard	IEEE 802.3i/3u/3ab
Expansion IF types	none specified
Flags: DOCSIS 3.0
Retail
ASIN	B01A1E6BA2

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

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

Overview

Certified by

• Comcast Xfinity
• Charter Spectrum
• Time Warner Cable
• Cox Cable
• Brighthouse

MB7420 datasheet says that the core chipset is a Broadcom BCM33843D

16x4 DOCSIS 3.0 cable modem

• 16 downstream channels for speeds up to 686 Mbps
• 4 upstream channels for speeds up to 123 Mbps

Links of Interest

Datasheet