Edimax Gemini RG21S

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abgn+ac (AC2600)
AC2600 MU-MIMO Home Wi-Fi Roaming Router
Gemini RG21S 03.jpg
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
BrandModelRev Edimax Gemini RG21S 1.0 A
FCC ID NDD9568771606
Board ID 1244-01001054-50Z
Type wireless router
CPU1 checkY 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 1335 additional devices
of which 0 are Edimax devices
Default login user: admin
Default login password: 1234
admin:1234 credentials used by 188 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 Flag of the United States.svg
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-5931L9VWR5931
NDD9568771606

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

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

800 Mbps - 4SS 2.4GHz 802.11n (40MHz chan., 256-QAM),
1733 Mbps - 4SS 5GHz 802.11ac (80MHz chan.) = 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

Forum threads

  • 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: 24.10.2

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