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SMC SMCD3GN4

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multiple revisions of this device, use caution
abgn (AN600)
Wireless eMTA Gateway
3rd Party Firmware
dd-wrt Status Unknown
OpenWrt Status Unknown
Tomato any flavor Incompatible
Platform
BrandModelRev SMC SMCD3GN4
FCC ID JI5-D3GN4
Type cable modem, wireless router
CPU1 checkY Texas Instruments TNETC4800
CPU1 Type ARMv6 ARMv6TEJ
CPU1 Speed 400 MHz
CPU2 checkY Realtek RTL8198
CPU2 Type Lexra RLX5281
Flash1 Chip Brand? Model?
Flash1 Size ? MiB
RAM1 Size ? MiB
RAM1 Chip SK hynix Model?
ETH chip1 Texas Instruments TNETC4800
Switch Realtek RTL8198
Cable Modem Spec DOCSIS 3.0:
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 12 VDC, 2 A
Connector type barrel
Flags:
DOCSIS 3.0

Additional chips
Digital Cable Front-End Receiver;MaxLinear;MxL261;;1;
Cable Modem Power Amplifier;Microtune;;;1;

Other
Manuf/OEM/ODM Askey
Retail
FCC approval date 13 June 2012
Country of manuf China
Radio 1
Chip1 Realtek RTL8192DR
Wireless interface OUI none specified
Antenna Connector Type U.FL
MIMO status 2x2:2
Wireless Standard IEEE 802.11a/b/g/n
802.11n up to 300/300 Mbps
802.11g up to 54 Mbps
802.11b up to 11 Mbps
802.11a up to 54 Mbps
WiFi Operating Frequency 2.4 or 5 GHz
 CPU1 brandRadio1 chip1 brandRadio1 chip2 brand
SMC SMCD3GNRalinkRalink
SMC SMCD3GN4Texas InstrumentsRealtek
SMC SMCD3GNV (Comcast)Texas InstrumentsRalink
SMC SMCD3GNV v2?Texas InstrumentsRalink
SMC SMCD3GNV3Intel PumaRalink

For a list of all currently documented Realtek chipsets with specifications, see Realtek.
For a list of all currently documented Texas Instruments (TI) chipsets with specifications, see Texas Instruments.

For a list of all currently documented SMC devices with specifications, see SMC.

300 Mbps - 2SS 5GHz 802.11n (40MHz chan.),
300 Mbps - 2SS 2.4GHz 802.11n (40MHz chan.) = AN600 class

Overview

"D3GNV4", "Rev:1.2", a circled A, and what appears to be a typical

Askey label appears to be on the board in the FCC photos.
Askey is presumed to be the manufacturer..

Per a later FCC Class II Permissive Change, some models

/ submodels have the 5GHz band disabled via SW..