Edimax Gemini RG21S

abgn+ac (AC2600)
AC2600 MU-MIMO Home Wi-Fi Roaming Router
Homepage	Product page
WikiDevi.wi-cat.ru	Edimax Gemini RG21S
3rd Party Firmware
dd-wrt	Status Unknown
OpenWrt	Supported
Tomato any flavor	Incompatible
Gargoyle	Status Unknown
Platform
Brand • Model • Rev	Edimax Gemini RG21S 1.0 A
FCC ID	NDD9568771606
Board ID	1244-01001054-50Z
Type	wireless router
CPU1	MediaTek MT7621AT
CPU1 Type	MIPS 1004Kc
CPU1 Speed	880 MHz ( 2 cores ) 16-bit
Flash1 Chip	Brand? Model?
Flash1 Size	16 MiB16,777,216 B <br />131,072 Kib <br />16,384 KiB <br />128 Mib <br />0.0156 GiB <br />
Flash2 Size	2 MiB2,097,152 B <br />16,384 Kib <br />2,048 KiB <br />16 Mib <br />0.00195 GiB <br /> (NOR)
RAM1 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 Chip	Nanya NT5CC64M16GP-DI
ETH chip1	MediaTek MT7621AT
Ethernet Port Count	1-WAN 4-1GbE-LAN
Wired Standard	IEEE 802.3i/3u/3ab
802dot11 OUI: none specified
Expansion IF types	none specified
Power	12 VDC, 1.5 A
Connector type	barrel
Flags: Wave2, MU-MIMO, 256QAM
Other
Default IP address: 192.168.1.1 the IP 192.168.1.1 is used by 1326 additional devices of which 0 are Edimax devices Default login user: admin Default login password: 1234 admin:1234 credentials used by 185 additional devices of which 73 are Edimax devices
Manuf/OEM/ODM	Edimax
3rd Party Firmware Support	OpenWrt • (List | Dev | DLs)
Retail
FCC approval date	08 March 2017
(Est.) release date	13 April 2017
EAN	4717964701114 (UPC DB, On eBay)
ASIN	B0775D239W
Country of manuf	China
Radio 1
Chip1	MediaTek MT7615N
Wireless interface OUI	none specified
Antenna Connector Type	U.FL, RP-SMA
MIMO status	4x4:4
Wireless Standard	IEEE 802.11b/g/n
N-QAM	up to 800 Mbps
802.11n	up to 600 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	U.FL, RP-SMA
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
FCC ID Comtrend WR-5931 L9VWR5931 NDD9568771606

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

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

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

• 800 Mbps - 4SS 2.4GHz 802.11n (40MHz chan., 256-QAM) = AC2600 class

Overview

"1244-01001054-50Z" is silkscreened on the board in the FCC photos.

Specifications

• Product class: AC2600 (800Mbps [2.4 GHz] + 1733Mbps [5 GHz])
• Antennas: 4x external high-gain antenna
• Ports: 1x GbE WAN, 4x GbE LAN
• Vendor firmware features: MU-MIMO, Guest Network,

VPN server: OpenVPN Server

• Vendor firmware operation modes: wireless router, access point

Links of Interest

Agregation

• On SpeedGuide
• On HardWare.info

Forum threads

• Edimax Gemini RG21S on OpenITforum (PL)

• CPU: MediaTek MT7621AT @880MHz Dual Core
• Flash: 16MB (NOR) Flash
• RAM: Nanya NT5CC64M16GP-DI (128MB DDR3)
• WLAN: 2x MediaTek MT7615N 4T4R 802.11abgn/ac

Flashing

Flashing OpenWrt

On the OpenWrt ToH (techdata entry)
On the OpenWrt Wiki
OpenWrt Target: ramips
OpenWrt Subtarget: mt7621
OpenWrt Package architecture: mipsel_24kc
Support started version: 21.02.0
Current supported version: 23.05.5

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