Xiaomi Mi WiFi Range Extender AC1200 (RA75)
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| abgn+ac (AC1200) | |||||||||||||
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| WiFi Range Extender AC1200 | |||||||||||||
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| Homepage | Product page | ||||||||||||
| 3rd Party Firmware | |||||||||||||
| dd-wrt | Status Unknown | ||||||||||||
| OpenWrt | Supported | ||||||||||||
| Tomato any flavor | Incompatible | ||||||||||||
| Gargoyle | Status Unknown | ||||||||||||
| Platform | |||||||||||||
| Brand • Model • Rev | Xiaomi Mi WiFi Range Extender AC1200 (RA75) | ||||||||||||
| FCC ID | 2AFZZRA75 | ||||||||||||
| Type | range extender, repeater | ||||||||||||
| CPU1 | MediaTek MT7628DAN | ||||||||||||
| CPU1 Type | MIPS 24KEc | ||||||||||||
| CPU1 Speed | 575 MHz | ||||||||||||
| Flash1 Chip | Winbond W25Q128BV | ||||||||||||
| Flash1 Size | 16 MiB 16,777,216 B <br />131,072 Kib <br />16,384 KiB <br />128 Mib <br />0.0156 GiB <br /> | ||||||||||||
| RAM1 Size | 64 MiB 67,108,864 B <br />524,288 Kib <br />65,536 KiB <br />512 Mib <br />0.0625 GiB <br /> | ||||||||||||
| RAM1 Chip | MediaTek MT7628DAN | ||||||||||||
| ETH chip1 | MediaTek MT7628DAN | ||||||||||||
| Ethernet Port Count | 1-100MbE-LAN | ||||||||||||
| Wired Standard | IEEE 802.3i/3u | ||||||||||||
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802dot11 OUI: none specified | |||||||||||||
| Stock bootloader | U-Boot 1.1.3 Ralink U-Boot v4.3.0.0 | ||||||||||||
| Stock FW OS | Linux 3.10.14 | ||||||||||||
| Expansion IF types | none specified | ||||||||||||
| Power | 100-240 VAC ~ 50/60 Hz, 0.3 A | ||||||||||||
| Connector type | AC (direct) | ||||||||||||
| Serial Port (UART) | yes, 3.3V TTL, (115200 8N1) | ||||||||||||
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| Other | |||||||||||||
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| 3rd Party Firmware Support |
OpenWrt • (List | Dev | DLs) | ||||||||||||
| Retail | |||||||||||||
| FCC approval date | 02 August 2021 | ||||||||||||
| Country of manuf | China | ||||||||||||
| Radio 1 | |||||||||||||
| Chip1 | MediaTek MT7628DAN | ||||||||||||
| 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 MT7612EN | ||||||||||||
| Wireless interface OUI | none specified | ||||||||||||
| Antenna Connector Type | none specified | ||||||||||||
| MIMO status | 2x2:2 | ||||||||||||
| Wireless Standard | IEEE 802.11a/n/ac | ||||||||||||
| 802.11ac | up to 867 Mbps | ||||||||||||
| 802.11n | up to 300 Mbps | ||||||||||||
| 802.11a | up to 54 Mbps | ||||||||||||
| WiFi Operating Frequency | 5 GHz | ||||||||||||
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For a list of all currently documented MediaTek chipsets with specifications, see MediaTek.
For a list of all currently documented Xiaomi devices with specifications, see Xiaomi.
Links of Interest
- M75 R0103 V1.1
Flashing
| NOTE: During configuration or flashing a device, the only things that should be hooked to the device is the computer and power. |
Flashing OpenWrt
| This device is NOT RECOMMENDED for future use with OpenWrt due to low flash/ram.
DO NOT BUY DEVICES WITH 8MB FLASH / 64MB RAM if you intend to flash an up-to-date and secure OpenWrt version onto it! See 8/64 warning for details. This device does not have sufficient resources (flash and/or RAM) to provide secure and reliable operation. This means that you will not be able to install many packages, and that you might experience crashes due to OOM situations more or less often. See OpenWrt on 8/64 devices what you can do now. |
OpenWrt Target: ramips
OpenWrt Subtarget: mt76x8
OpenWrt Package architecture: mipsel_24kc
Support started version: 23.05.0
Current supported version: 24.10.3
OpenWrt Subtarget: mt76x8
OpenWrt Package architecture: mipsel_24kc
Support started version: 23.05.0
Current supported version: 24.10.3
WLAN Comment: MIMO 2x2:2 for each band
Install Comment:
No HTML UI, so OpenWrtInvasion does not work
Comment:
Works with Firmware for mi_router_4a_mir4a_100m, but ethernet will be WAN port and inaccessible
Install Comment:
No HTML UI, so OpenWrtInvasion does not work
Comment:
Works with Firmware for mi_router_4a_mir4a_100m, but ethernet will be WAN port and inaccessible
Please insert instructions here
Categories:
- Xiaomi
- Embedded system/range extender
- Embedded system/repeater
- Embedded System MediaTek
- Embedded System MT7628DAN
- MediaTek
- Embedded System MIPS 24KEc
- Embedded System
- OpenWrt Supported
- Has Mimo Status
- Embedded System IEEE 802.11b/g/n
- Embedded System MT7612EN
- Embedded System IEEE 802.11a/n/ac
- Dual-Radio Wireless Embedded System
- Wireless Embedded System
- Dual-Band
- English Documentation