Rostelecom RT-SF-1

abgn+ac (AC2100)
AC2100 Wireless Router
3rd Party Firmware
dd-wrt	Status Unknown
OpenWrt	Supported
Tomato any flavor	Incompatible
Gargoyle	Status Unknown
Platform
Brand • Model • Rev	Rostelecom RT-SF-1
FCC ID	none specified
Type	wireless router
CPU1 Y	MediaTek MT7621AT
CPU1 Type	MIPS 1004Kc
CPU1 Speed	880 MHz ( 2 cores ) 16-bit
Flash1 Chip	Micron MT29F2G08ABAGA3W
Flash1 Size	256 MiB 268,435,456 B <br />2,097,152 Kib <br />262,144 KiB <br />2,048 Mib <br />0.25 GiB <br /> (NAND)
RAM1 Size	256 MiB 268,435,456 B <br />2,097,152 Kib <br />262,144 KiB <br />2,048 Mib <br />0.25 GiB <br />
RAM1 Chip	Brand? Model?
ETH chip1	MediaTek MT7621AT
Switch	MediaTek MT7530
Ethernet Port Count	1-1GbE-WAN 4-1GbE-LAN
Wired Standard	IEEE 802.3i/3u/3ab
802dot11 OUI: none specified
Stock bootloader	U-Boot
Expansion IF types	USB 3.0
USB ports	1
USB Hub Compatible	Untested
Power	12 VDC, 1.5 A
Connector type	barrel
Serial Port (UART)	yes, 3.3V TTL, (57600 8N1)
Other
3rd Party Firmware Support	OpenWrt • (List | Dev | DLs)
Radio 1
Chip1	MediaTek MT7603EN
Wireless interface OUI	none specified
Antenna Connector Type	none specified
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 2
Chip1	MediaTek MT7615N
Wireless interface OUI	none specified
Antenna Connector Type	none specified
MIMO status	4x4:4
Wireless Standard	IEEE 802.11a/n/ac
802.11ac	up to 1733 Mbps
802.11n	up to 600 Mbps
802.11a	up to 54 Mbps
WiFi Operating Frequency	5 GHz

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

• 300 Mbps - 2SS 2.4GHz 802.11n (40MHz chan.),

• 1733 Mbps - 4SS 5GHz 802.11ac (80MHz chan.) = AC2100 class

Flashing

Flashing OpenWrt

On the OpenWrt ToH (techdata entry)
On the OpenWrt Wiki

Target: ramips
Subtarget: mt7621
Package architecture: mipsel_24kc
Supported Since Commit
Support started version: 23.05.0
Current supported version: fix

LAN Hardware: MediaTek MT7530
LAN Comment: Activity LEDs are in place
WLAN Hardware: MediaTek MT7603EN, MediaTek MT7615N
WLAN Comment: MIMO 2x2:2 2.4Ghz, MIMO 4x4:4 5Ghz
Installation method(s):
GUI OEM
Install Comment:
see device page
Recovery method(s):
See devicepage
Recovery Comment:
sercomm-recovery tool
Comment:
ZigBee: 3.0, EFR32 MG1B232GG

git • >>

ramips: add support for Rostelecom RT-SF-1 Rostelecom RT-SF-1 is a wireless WiFi 5 router manufactured by Sercomm company. Device specification -------------------- SoC Type: MediaTek MT7621AT RAM: 256 MiB Flash: 256 MiB, Micron MT29F2G08ABAGA3W Wireless 2.4 GHz (MT7603EN): b/g/n, 2x2 Wireless 5 GHz (MT7615E): a/n/ac, 4x4 Ethernet: 5xGbE (WAN, LAN1, LAN2, LAN3, LAN4) USB ports: 1xUSB3.0 ZigBee: 3.0, EFR32 MG1B232GG Button: 2 buttons (Reset & WPS) LEDs: - 1x Status (RGB) - 1x 2.4G (blue, hardware, mt76-phy0) - 1x 5G (blue, hardware, mt76-phy1) Power: 12 VDC, 1.5 A Connector type: barrel Bootloader: U-Boot Installation ----------------- 1. Remove dots from the OpenWrt factory image filename 2. Login to the router web interface 3. Update firmware using web interface with the OpenWrt factory image 4. If OpenWrt is booted, then no further steps are required. Enjoy! Otherwise (Stock firmware has booted again) proceed to the next step. 5. Update firmware using web interface with any version of the Stock firmware 6. Update firmware using web interface with the OpenWrt factory image Revert to stock --------------- Change bootflag to Sercomm1 in OpenWrt CLI and then reboot: printf 1 | dd bs=1 seek=7 count=1 of=/dev/mtdblock3 Recovery -------- Use sercomm-recovery tool. Link: https://github.com/danitool/sercomm-recovery MAC Addresses ------------- +-----+------------+------------+ | use | address | example | +-----+------------+------------+ | LAN | label | *:72, *:d2 | | WAN | label + 11 | *:7d, *:dd | | 2g | label + 2 | *:74, *:d4 | | 5g | label + 3 | *:75, *:d5 | +-----+------------+------------+ The label MAC address was found in Factory 0x21000 Signed-off-by: Mikhail Zhilkin