Sagemcom F@ST 3686 V2.2

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abgn+ac (AC1600)
802.11ac DOCSIS 3.0 Cable Gateway
3rd Party Firmware
dd-wrt
Status Unknown
OpenWrt
Status Unknown
Tomato any flavor
Status Unknown
Platform
Brand • Model • Rev
Sagemcom F@ST 3686 V2.2 (HP)
FCC ID
Type
wireless router, cable modem
CPU1
Broadcom BCM3384ZU
CPU1 Type
MIPS BMIPS5000
CPU1 Speed
1.5 GHz ( 2 cores )
Flash1 Chip
Macronix MX30LF1G18AC-XKI
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
Samsung K4B2G1646F-BCMA
ETH chip1
Broadcom BCM3384ZU
Switch
Broadcom BCM53134S
Cable Modem Spec
DOCSIS 3.0: (24 x 8)
Ethernet Port Count
4-1GbE-LAN
Wired Standard
IEEE 802.3i/3u/3ab

802dot11 OUI: 00:19:70 (3 E, 9 W)
Ethernet OUI: 00:19:70 (3 E, 9 W)

Expansion IF types
USB 2.0
USB ports
1
USB Hub Compatible
Untested
Power
12 VDC, 2.5 A
Connector type
barrel
Serial Port (UART)
yes
Flags:
DOCSIS 3.0, DFS (master)

Additional chips
5GHz Front End Module;Skyworks;SKY85712-21;SKY21, 85712, 711WB;3;
Wideband Tuner;Broadcom;BCM3184;P30, 3184LG, TE1716, 046;1;
Wideband Amplifier;NXP;BGU7045;;1;
Dual Channel Ringing SLIC;Zarlink;Le9540;9540DUQC, JA(e3), 1706MBG;1;

Other

Default SSID: sc-XXXX
, sc-XXXX-5G
Default IP address: 192.168.0.1
the IP 192.168.0.1 is used by 799 additional devices
of which 2 are Sagemcom devices
Default login user: admin
Default login password: admin
admin:admin credentials used by 1340 additional devices
of which 8 are Sagemcom devices

Retail
FCC approval date 02 January 2018
(Est.) release date November 2016
Country of manuf China
Radio 1
Chip1
Broadcom BCM4360
Wireless interface OUI
00:19:70
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 BCM43217
Wireless interface OUI
00:19:70
Antenna Connector Type
U.FL
MIMO status
2x2:2
Wireless Standard
IEEE 802.11b/g/n
802.11n
up to 300 Mbps
802.11g
up to 54 Mbps
802.11b
up to 11 Mbps
WiFi Operating Frequency
2.4 GHz
Radio cor_rev
24

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

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

• 1300 Mbps - 3SS 5GHz 802.11ac (80MHz chan.),
• 300 Mbps - 2SS 2.4GHz 802.11n (40MHz chan.) = AC1600 class

Overview

"FAST3686 SFR_REV.04" is silkscreened on the board in the FCC photos.

  • DOCSIS 3.0 24x8 channels

Links of Interest

Product page (AC)  • Product page (RU)

Forum threads

CPU: Broadcom BCM3384 - DOCSIS 3.0 SoC (FBC/DECT)
WLAN 5GHz: Broadcom BCM4360 - 3T3R 802.11an/ac
WLAN 2.4GHz: Broadcom BCM43217 - 2T2R 802.11bgn

See also

List of DOCSIS Cable Modems • Sagemcom
FCC ID: VW3FAST3896S (2022-08-18)
FCC ID: VW3FAST5688W (2022-06-02)
FCC ID: VW3FAST5290V2 (2022-05-13)
FCC ID: VW3FAST5380V2 (2022-04-26)
FCC ID: VW3FAST5689E (2022-03-08)
FCC ID: VW3FAST287 (2021-08-23)
FCC ID: VW3FAST399 (2021-08-12)
FCC ID: VW3FAST5290 (2021-08-06)
FCC ID: VW3FAST286 (2021-06-14)
FCC ID: VW3FAST3890 (2021-05-11)
FCC IDVW3FAST5689 (2021-01-04)
FCC ID: VW3FAST5285 (2020-08-12)
FCC ID: VW3FAST3896 (2020-01-31)
FCC ID: VW3FAST3890V3 (2019-07-04)
FCC ID: VW3FAST3686 (01/02/2018)
FCC ID: VW3FAST3686V2H (09/25/2019)
FCC ID: VW3FAST5280 (2017-06-15)
FCC ID: VW3FAST2705WS (2017-01-24)
FCC ID: VW3FAST5566 (2016-06-21)
FCC ID: VW3FAST4320HP (2015-09-15)
FCC ID: VW3FAST3486 (2015-05-21)
FCC ID: VW3FAST3284U (2014-12-01)
FCC ID: VW3FAST4350 (2014-03-20)
FCC ID: VW3FAST5260 (2014-03-12)
FCC ID: VW3FAST5250 (2014-02-20)
FCC ID: VW3FAST5260CV (2014-01-22)
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