Motorola SURFboard SBG6782-AC

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Motorola SURFboard SBG6782-AC (Arris)
Availability: now

FCC approval date: 20 May 2013
UPC: 723905954505 (UPC DB, On eBay)
Country of manuf.: China

Amazon image

B00GJ7Y7MU (Flag of the United States.svg, On Amazon, On CCC)
B00ERXBV9K (Flag of the United States.svg, On Amazon, On CCC)

Type: wireless router, cable modem

Power: 100-240 VAC ~ 50/60 Hz, 2 A
Connector type: C7

CPU1: Broadcom BCM3383
FLA1: 32 MiB 33,554,432 B <br />262,144 Kib <br />32,768 KiB <br />256 Mib <br />0.0313 GiB <br /> (Spansion Model?)
RAM1: 128 MiB 134,217,728 B <br />1,048,576 Kib <br />131,072 KiB <br />1,024 Mib <br />0.125 GiB <br /> (Samsung Model?)

Expansion IFs: Mini PCIe, USB 2.0
Mini PCIe slots: 2
USB ports: 1

WI1 module: unknown
WI1 module IF: Mini PCIe (oversized)
WI1 chip1: Broadcom BCM4360
WI1 802dot11 protocols: an+ac
WI1 MIMO config: 3x3:3
WI1 antenna connector: U.FL
WI2 module: unknown
WI2 module IF: Mini PCIe (oversized)
WI2 chip1: Broadcom BCM4331
WI2 802dot11 protocols: bgn
WI2 MIMO config: 3x3:3
WI2 antenna connector: U.FL

ETH chip1: Broadcom BCM3383
Switch: Broadcom BCM53124
LAN speed: 1G
LAN ports: 4
WAN speed: 1G
WAN ports: 1


Flags: DOCSIS 3.0, MoCA 1.1

Default IP address:
the IP is used by 768 additional devices
of which 10 are Motorola devices
Default login user: admin
Default login password: Motorola
admin:Motorola credentials used by 3 additional devices
of which 3 are Motorola devices

802dot11 OUI: none specified

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

SBG6782 DOCSIS 3.0 Wireless Gateway

Arris product page  • Datasheet  • User Guide

Note: Arris is the new (and current) owner of Motorola Home, Motorola Mobility's

(previously Motorola's cell phone [mostly] division, now a subsidiary of Google)
broadband unit. See more info on TechCrunch and elsewhere...

The FCC ID covering this entry also covers the diagnostic-use model

(SBG6782-ACHU DIAGNOSTIC). Per the FCC photos...
  • "80211AC WIFI CARD", "588434-003 REV.2 JAN-30-2013" and
the Motorola logo is silkscreened on the 11ac WiFi module.
The 11ac module has two integral on-card antennas and a U.FL jack
for another with different positioning. It is using three Skyworks RFICs.
  • "2.4G WIFI CARD", "588434-001 REV.4", and the Motorola logo
is silkscreened on the front of the 2.4GHz WiFi module.
"PCB MADE IN CHINA" is silkscreened on the back of the card.
The 2.4GHz module has one integral on-card antenna and two U.FL jacks for
two antennas mounted in a different position (marked YELLOW and WHITE).
It looks to be using three Skyworks (SiGe) PAMs.
  • The MoCA controller is from Entropic Communications.
  • The power supply module is a Delta Electronics ADP-48AN AA / Motorola
P/N 588239-001 (100-240VAC ~50/60Hz, 2A -> 12VDC, 4.17A, COO: China).


Additional (or conflicting) information, per the datasheet, follows...

  • CPU: Broadcom BCM3383, Flash: 32MB, RAM: 128MB (DDR3)
  • MoCA: ver. 1.1, DLNA, <= 16 nodes, 175Mbps MAC layer throughput
  • Radios: 5GHz: +23dBm HPA, 3x3 MIMO, 2.4GHz: +26dBm HPA, 3x3 MIMO
  • DOCSIS IF: 8 downstream channels (max. ~343Mbps PHY rate @256QAM
+ 5.36Msys/s), 4 upstream channels (max. ~122.8Mbps @256QAM)
  • Power supply: 105 to 125 VAC, 60Hz (conflicts w/ FCC data)
  • Dimensions (H x W x L): 224 mm x 54 mm x 256.5 mm


Vendor links