Cisco DPC3940CMAD

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abgn+ac (AC1750)
DOCSIS 3.0 16x4 Wireless Residential Gateway with Embedded Digital Voice Adapter
Wikipedia
3rd Party Firmware
dd-wrt
Status Unknown
OpenWrt
Status Unknown
Tomato any flavor
Status Unknown
Platform
BrandModelRev
Cisco DPC3940CMAD
FCC ID
Type
wireless router, cable modem, analog phone gateway
CPU1
Broadcom BCM33843
CPU1 Type
BMIPS 5000
CPU1 Speed
not specified ( 2 cores )
Flash1 Chip
Micron MT29F1G08ABAEA
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
SK hynix H5TQ2G63FFR-PBC
ETH chip1
Broadcom BCM33843
Switch
Broadcom BCM53124
Cable Modem Spec
DOCSIS 3.0: (16 x 4)
Ethernet Port Count
4-1GbE-LAN
Wired Standard
IEEE 802.3i/3u/3ab

802dot11 OUI: none specified

Expansion IF types
USB 2.0
USB ports
1
USB Hub Compatible
Untested
Power
100-240 VAC ~ 50/60 Hz, 1.8 A
Connector type
C7P
Flags:
DOCSIS 3.0

Additional chips
Dual Channel Ringing SLIC;Zarlink;Le9540;9540DUQC, J A G, 1314MAAA, MALAYSIA;1;
MoCA 2.0 controller;Broadcom;BCM6803;BROADCOM, BCM6803KFSBG, TN1333 P20, P9050 P3;
MoCA PA/LNA;Broadcom;BCM3450;3450, KMLG 10, TS1316, 27B3891 W;1;
5GHz Power Amplifier IC;Skyworks;SE5003L1;5003L1, 1311 MY;3;

Other
Manuf/OEM/ODM
Retail
FCC approval date 30 December 2013
Country of manuf China
Radio 1
Chip1
Broadcom BCM4360
Wireless interface OUI
none specified
Antenna Connector Type
U.FL
MIMO status
3x3:3
Wireless Standard
IEEE 802.11a/n/ac
802.11ac
up to 1300 Mbps
802.11n
up to 450 Mbps
802.11a
up to 54 Mbps
WiFi Operating Frequency
5 GHz
Radio cor_rev
40
Radio 2
Chip1
Broadcom BCM4331
Wireless interface OUI
none specified
Antenna Connector Type
U.FL
MIMO status
3x3:3
Wireless Standard
IEEE 802.11b/g/n
802.11n
up to 450 Mbps
802.11g
up to 54 Mbps
802.11b
up to 11 Mbps
WiFi Operating Frequency
2.4 GHz
Radio cor_rev
29
 FCC ID
Cisco DPC3929CMADVUIDPC3929CM

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

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

1300 Mbps - 3SS 5GHz 802.11ac (80MHz chan.),
450 Mbps - 3SS 2.4GHz 802.11n (40MHz chan.) = AC1750 class

Overview

FCC ID VUIDPC3929CM would seem to cover both the DPC3929CMxxxx series (BCM3383Z based [8x4]) and the DPC3940CMxxxx series (BCM33843 based [16x4]).