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Experience robust home networking with the Xiaomi Mi Router 4A Gigabit Edition — a dual-band WiFi powerhouse designed to boost coverage, speed, and stability across your smart home, streaming, and gaming setups.
Dual‑core performance for fast, dependable network
Powered by the MT7621A dual-core CPU, with a single core frequency up to 880MHz, this router delivers strong performance to support gigabit network access and smooth data transmission across both 2.4GHz and 5GHz bands.
Unified 2.4GHz/5GHz WiFi with strong throughput
Wireless dual band support combines 2.4GHz and 5GHz into one seamless WiFi name. The 2.4GHz band provides longer range and better through-wall performance, while the 5GHz band uses 802.11ac technology for higher real-world speeds. The combined maximum reaches 1167Mbps, making it suitable for HD video streaming, online gaming, and heavy multi‑device use.
Four high‑gain antennas for reliable coverage
Four external high‑gain omnidirectional antennas dramatically improve transmission performance, helping maintain strong signal in larger rooms and through walls, across complex home layouts.
Ample memory for stable connections
128MB DDR3 memory supports stable transmission as more devices connect, reducing slowdowns during peak usage and ensuring consistent performance for smart home devices, phones, tablets, and laptops.
Smart app control and security features
Managed via Mi WiFi app, with features designed to minimize wifi squatters and manage access. Security options include WPA-PSK/WPA2 encryption, wireless access control (black/white lists), and SSID hiding for added privacy. 5GHz LDPC-like error correction helps strengthen anti-interference performance on that band.
Ports, hardware, and practical details
- WAN port: 1 × 10/100 Auto MDI/MDIX
- LAN ports: 2 × 10/100 Auto MDI/MDIX
- LED indicators: 3 (Red/Blue/Yellow)
- Power input: DC
- Antenna: 4 external high‑gain antennas
- Wireless channels: 2.4GHz (1–13), 5GHz (36,40,44,48,52,56,60,64,149–165)
What you should know
Note: This is the Chinese version. If you don’t understand the Chinese manual, you can download the Mi Router app to set up the router. The device does not support IPTV, L2TP, or PPPoE.
What’s in the box
- 1 × Router
- 1 × Power Adapter (Original US plug)
- 1 × User Manual (Chinese)
Hardware | |
Brand |
Xiaomi |
CPU |
MT7621A |
RAM |
64 MB128MB DDR3 |
ROM |
16MB |
2.4G WiFi |
2X2 (support IEEE 802.11N, 300Mbps max) |
5G WiFi |
2X2 (support IEEE 802.11AC, 867Mbps max) |
Antenna |
4 PCS |
Heat dissipating system |
Natural heat dissipation |
Material |
ABS |
Interfaces | |
Lan port |
2 (10/100 Auto MDI/MDIX) |
WAN port |
1 (10/100 Auto MDI/MDIX) |
LED indicators |
3 (Red/Blue/Yellow) |
Button |
1 x Reset button |
DC input |
1 |
Antenna | |
Dual bands |
2.4GHz / 5GHz |
Wireless channels |
2.4GHz Channel: 1,2,3,4,5,6,7,8,9,10,11,12,13 |
5GHz Channel: 36,40,44,48,52,56,60,64,149,153,157,161,165 | |
Modulation mode |
11b: DSSS: DBPSK(1Mbps),DQPSK(2Mbps), |
CCK(5.5/11Mbps) | |
11a/g: OFDM:BPSK(6/9Mbps), | |
QPSK(12/18Mbps),16QAM(24/36Mbps), | |
64QAM(48/54Mbps) | |
11n: MIMO-OFDM:BPSK,QPSK,16QAM,64QAM. | |
Rate: MCS0~MCS15 | |
11ac: MIMO-OFDM:BPSK, | |
QPSK,16QAM,64QAM,256QAM | |
Rate: MCS0~MCS9 | |
Receiving sensitivity |
11Mbps:≤-90dBm,54 Mbps:≤-72dBm, |
HT20 MCS7:≤-69dBm, | |
HT40 MCS7:≤-66dBm, | |
VHT20 MCS8:≤-65dBm, | |
VHT40 MCS9:≤-60dBm, | |
VHT80 MCS9:≤-58 dBm | |
Software | |
Operating system |
MiWiFi ROM (Supports Web, Android, iOS) |
Wireless security |
WPA-PSK/WPA-PSK2 encryption, Wireless access control (black and white list), SSID hiding |
Protocol standards |
IEEE 802.11a/b/g/n/ac, IEEE 802.3/3u |
Approval standards |
GB9254-2008 YD/T993-1998 GB4943.1-2011 |
Working environment |
Operating temperature: 0-40°C |
Working humidity: 10%-90%RH | |
Storage temperature: -40-70°C | |
Storage humidity: 5%-90%RH | |
Power: 12W max | |
General | |
Brand |
Xiaomi |
Type |
AP |
Router Connectivity Type |
Wireless |
Transmission Rate |
300Mbps |
Product Detail | |
Dimensions and Weight | |
Product weight |
0.1250 kg |
Package weight |
0.1310 kg |
Product size |
6.90 x 6.90 x 3.50 cm / 2.72 x 2.72 x 1.38 inches |
Package size |
10.00 x 10.00 x 6.00 cm / 3.94 x 3.94 x 2.36 inches |
Packing List | |
Packing List |
1 x Original Xiaomi Pro 300M WiFi Amplifier |
Frontier General Hardware
Xiaomi Mi Router 4A Gigabit Dual Band 2.4GHz 5GHz WiFi Repeater 1167Mbps Network Extender With 4 High Gain Antennas
- Regular price
- $37.03
Experience robust home networking with the Xiaomi Mi Router 4A Gigabit Edition — a dual-band WiFi powerhouse designed to boost coverage, speed, and stability across your smart home, streaming, and gaming setups.
Dual‑core performance for fast, dependable network
Powered by the MT7621A dual-core CPU, with a single core frequency up to 880MHz, this router delivers strong performance to support gigabit network access and smooth data transmission across both 2.4GHz and 5GHz bands.
Unified 2.4GHz/5GHz WiFi with strong throughput
Wireless dual band support combines 2.4GHz and 5GHz into one seamless WiFi name. The 2.4GHz band provides longer range and better through-wall performance, while the 5GHz band uses 802.11ac technology for higher real-world speeds. The combined maximum reaches 1167Mbps, making it suitable for HD video streaming, online gaming, and heavy multi‑device use.
Four high‑gain antennas for reliable coverage
Four external high‑gain omnidirectional antennas dramatically improve transmission performance, helping maintain strong signal in larger rooms and through walls, across complex home layouts.
Ample memory for stable connections
128MB DDR3 memory supports stable transmission as more devices connect, reducing slowdowns during peak usage and ensuring consistent performance for smart home devices, phones, tablets, and laptops.
Smart app control and security features
Managed via Mi WiFi app, with features designed to minimize wifi squatters and manage access. Security options include WPA-PSK/WPA2 encryption, wireless access control (black/white lists), and SSID hiding for added privacy. 5GHz LDPC-like error correction helps strengthen anti-interference performance on that band.
Ports, hardware, and practical details
- WAN port: 1 × 10/100 Auto MDI/MDIX
- LAN ports: 2 × 10/100 Auto MDI/MDIX
- LED indicators: 3 (Red/Blue/Yellow)
- Power input: DC
- Antenna: 4 external high‑gain antennas
- Wireless channels: 2.4GHz (1–13), 5GHz (36,40,44,48,52,56,60,64,149–165)
What you should know
Note: This is the Chinese version. If you don’t understand the Chinese manual, you can download the Mi Router app to set up the router. The device does not support IPTV, L2TP, or PPPoE.
What’s in the box
- 1 × Router
- 1 × Power Adapter (Original US plug)
- 1 × User Manual (Chinese)
Hardware | |
Brand |
Xiaomi |
CPU |
MT7621A |
RAM |
64 MB128MB DDR3 |
ROM |
16MB |
2.4G WiFi |
2X2 (support IEEE 802.11N, 300Mbps max) |
5G WiFi |
2X2 (support IEEE 802.11AC, 867Mbps max) |
Antenna |
4 PCS |
Heat dissipating system |
Natural heat dissipation |
Material |
ABS |
Interfaces | |
Lan port |
2 (10/100 Auto MDI/MDIX) |
WAN port |
1 (10/100 Auto MDI/MDIX) |
LED indicators |
3 (Red/Blue/Yellow) |
Button |
1 x Reset button |
DC input |
1 |
Antenna | |
Dual bands |
2.4GHz / 5GHz |
Wireless channels |
2.4GHz Channel: 1,2,3,4,5,6,7,8,9,10,11,12,13 |
5GHz Channel: 36,40,44,48,52,56,60,64,149,153,157,161,165 | |
Modulation mode |
11b: DSSS: DBPSK(1Mbps),DQPSK(2Mbps), |
CCK(5.5/11Mbps) | |
11a/g: OFDM:BPSK(6/9Mbps), | |
QPSK(12/18Mbps),16QAM(24/36Mbps), | |
64QAM(48/54Mbps) | |
11n: MIMO-OFDM:BPSK,QPSK,16QAM,64QAM. | |
Rate: MCS0~MCS15 | |
11ac: MIMO-OFDM:BPSK, | |
QPSK,16QAM,64QAM,256QAM | |
Rate: MCS0~MCS9 | |
Receiving sensitivity |
11Mbps:≤-90dBm,54 Mbps:≤-72dBm, |
HT20 MCS7:≤-69dBm, | |
HT40 MCS7:≤-66dBm, | |
VHT20 MCS8:≤-65dBm, | |
VHT40 MCS9:≤-60dBm, | |
VHT80 MCS9:≤-58 dBm | |
Software | |
Operating system |
MiWiFi ROM (Supports Web, Android, iOS) |
Wireless security |
WPA-PSK/WPA-PSK2 encryption, Wireless access control (black and white list), SSID hiding |
Protocol standards |
IEEE 802.11a/b/g/n/ac, IEEE 802.3/3u |
Approval standards |
GB9254-2008 YD/T993-1998 GB4943.1-2011 |
Working environment |
Operating temperature: 0-40°C |
Working humidity: 10%-90%RH | |
Storage temperature: -40-70°C | |
Storage humidity: 5%-90%RH | |
Power: 12W max | |
General | |
Brand |
Xiaomi |
Type |
AP |
Router Connectivity Type |
Wireless |
Transmission Rate |
300Mbps |
Product Detail | |
Dimensions and Weight | |
Product weight |
0.1250 kg |
Package weight |
0.1310 kg |
Product size |
6.90 x 6.90 x 3.50 cm / 2.72 x 2.72 x 1.38 inches |
Package size |
10.00 x 10.00 x 6.00 cm / 3.94 x 3.94 x 2.36 inches |
Packing List | |
Packing List |
1 x Original Xiaomi Pro 300M WiFi Amplifier |
- Regular price
- $37.03
Experience robust home networking with the Xiaomi Mi Router 4A Gigabit Edition — a dual-band WiFi powerhouse designed to boost coverage, speed, and stability across your smart home, streaming, and gaming setups.
Dual‑core performance for fast, dependable network
Powered by the MT7621A dual-core CPU, with a single core frequency up to 880MHz, this router delivers strong performance to support gigabit network access and smooth data transmission across both 2.4GHz and 5GHz bands.
Unified 2.4GHz/5GHz WiFi with strong throughput
Wireless dual band support combines 2.4GHz and 5GHz into one seamless WiFi name. The 2.4GHz band provides longer range and better through-wall performance, while the 5GHz band uses 802.11ac technology for higher real-world speeds. The combined maximum reaches 1167Mbps, making it suitable for HD video streaming, online gaming, and heavy multi‑device use.
Four high‑gain antennas for reliable coverage
Four external high‑gain omnidirectional antennas dramatically improve transmission performance, helping maintain strong signal in larger rooms and through walls, across complex home layouts.
Ample memory for stable connections
128MB DDR3 memory supports stable transmission as more devices connect, reducing slowdowns during peak usage and ensuring consistent performance for smart home devices, phones, tablets, and laptops.
Smart app control and security features
Managed via Mi WiFi app, with features designed to minimize wifi squatters and manage access. Security options include WPA-PSK/WPA2 encryption, wireless access control (black/white lists), and SSID hiding for added privacy. 5GHz LDPC-like error correction helps strengthen anti-interference performance on that band.
Ports, hardware, and practical details
- WAN port: 1 × 10/100 Auto MDI/MDIX
- LAN ports: 2 × 10/100 Auto MDI/MDIX
- LED indicators: 3 (Red/Blue/Yellow)
- Power input: DC
- Antenna: 4 external high‑gain antennas
- Wireless channels: 2.4GHz (1–13), 5GHz (36,40,44,48,52,56,60,64,149–165)
What you should know
Note: This is the Chinese version. If you don’t understand the Chinese manual, you can download the Mi Router app to set up the router. The device does not support IPTV, L2TP, or PPPoE.
What’s in the box
- 1 × Router
- 1 × Power Adapter (Original US plug)
- 1 × User Manual (Chinese)
Hardware | |
Brand |
Xiaomi |
CPU |
MT7621A |
RAM |
64 MB128MB DDR3 |
ROM |
16MB |
2.4G WiFi |
2X2 (support IEEE 802.11N, 300Mbps max) |
5G WiFi |
2X2 (support IEEE 802.11AC, 867Mbps max) |
Antenna |
4 PCS |
Heat dissipating system |
Natural heat dissipation |
Material |
ABS |
Interfaces | |
Lan port |
2 (10/100 Auto MDI/MDIX) |
WAN port |
1 (10/100 Auto MDI/MDIX) |
LED indicators |
3 (Red/Blue/Yellow) |
Button |
1 x Reset button |
DC input |
1 |
Antenna | |
Dual bands |
2.4GHz / 5GHz |
Wireless channels |
2.4GHz Channel: 1,2,3,4,5,6,7,8,9,10,11,12,13 |
5GHz Channel: 36,40,44,48,52,56,60,64,149,153,157,161,165 | |
Modulation mode |
11b: DSSS: DBPSK(1Mbps),DQPSK(2Mbps), |
CCK(5.5/11Mbps) | |
11a/g: OFDM:BPSK(6/9Mbps), | |
QPSK(12/18Mbps),16QAM(24/36Mbps), | |
64QAM(48/54Mbps) | |
11n: MIMO-OFDM:BPSK,QPSK,16QAM,64QAM. | |
Rate: MCS0~MCS15 | |
11ac: MIMO-OFDM:BPSK, | |
QPSK,16QAM,64QAM,256QAM | |
Rate: MCS0~MCS9 | |
Receiving sensitivity |
11Mbps:≤-90dBm,54 Mbps:≤-72dBm, |
HT20 MCS7:≤-69dBm, | |
HT40 MCS7:≤-66dBm, | |
VHT20 MCS8:≤-65dBm, | |
VHT40 MCS9:≤-60dBm, | |
VHT80 MCS9:≤-58 dBm | |
Software | |
Operating system |
MiWiFi ROM (Supports Web, Android, iOS) |
Wireless security |
WPA-PSK/WPA-PSK2 encryption, Wireless access control (black and white list), SSID hiding |
Protocol standards |
IEEE 802.11a/b/g/n/ac, IEEE 802.3/3u |
Approval standards |
GB9254-2008 YD/T993-1998 GB4943.1-2011 |
Working environment |
Operating temperature: 0-40°C |
Working humidity: 10%-90%RH | |
Storage temperature: -40-70°C | |
Storage humidity: 5%-90%RH | |
Power: 12W max | |
General | |
Brand |
Xiaomi |
Type |
AP |
Router Connectivity Type |
Wireless |
Transmission Rate |
300Mbps |
Product Detail | |
Dimensions and Weight | |
Product weight |
0.1250 kg |
Package weight |
0.1310 kg |
Product size |
6.90 x 6.90 x 3.50 cm / 2.72 x 2.72 x 1.38 inches |
Package size |
10.00 x 10.00 x 6.00 cm / 3.94 x 3.94 x 2.36 inches |
Packing List | |
Packing List |
1 x Original Xiaomi Pro 300M WiFi Amplifier |
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