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Device: MikroTik RB750Gr3

Last Updated: 06/07/2025 08:13:47 UTC

Specifications

Device Type Router
CPU model MediaTek MT7621AT
CPU cores 2
CPU clock frequency (Mhz) 880
Flash Storage (MB) 16, microSD
Memory (MB) 256
1G Ethernet Ports 5
2.5G Ethernet Ports None
5G Ethernet Ports None
Modem None
VLAN Yes
WLAN Chipset None
WLAN 2.4GHZ None
WLAN 5GHZ None
USB ports 1x 2.0
Bluetooth None
Bootloader RouterBOOT
Power Supply 24 VDC, 0.8 A, PoE
Switch MediaTek MT7621AT
Serial Yes
Serial Connection 115200 / 8N1
Button Count 2
LED Count 1
FCCID https://fccid.io/MSIP-REI-mkt-RB750Gr3
OEM Hompage https://mikrotik.com/product/RB750Gr3
OEM Firmware http://mikrotik.com/download
Wiki Devi https://wikidevi.wi-cat.ru/MikroTik_RouterBOARD_hEX_v3_(RB750Gr3)

OpenWRT

Supported Version Current 23.05.0
Supported Version Since 19.07.0
Forum Topic https://forum.lede-project.org/t/how-to-install-to-rb750gr3/4654
Firmware URL https://downloads.openwrt.org/releases/23.05.0/targets/ramips/mt7621/openwrt-23.05.0-ramips-mt7621-mikrotik_routerboard-750gr3-initramfs-kernel.bin
Firmware Upgrade URL https://downloads.openwrt.org/releases/23.05.0/targets/ramips/mt7621/openwrt-23.05.0-ramips-mt7621-mikrotik_routerboard-750gr3-squashfs-sysupgrade.bin
Install Method Mikrotik TFTP
Package Architecture mipsel_1004kc
Target ramips
Subtarget mt7621