RB911-5HnD-US - Router Mikrotik - Free user manual and instructions
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| Product Type | Wireless Router / CPE |
| Model | RB911-5HnD-US |
| Brand | MikroTik |
| Wireless Standard | 802.11a/n (5 GHz) |
| Maximum Throughput | Up to 300 Mbps |
| Processor | Qualcomm Atheros AR9344 600 MHz |
| RAM | 64 MB DDR2 |
| Storage | 128 MB NAND |
| Number of Ethernet Ports | 1 x 10/100/1000 (PoE In) |
| Wireless Antenna | Integrated directional panel antenna with 16 dBi gain |
| Operating System | RouterOS (Layer 3, Level 4 license) |
| Power Supply | Passive PoE (8-30 V DC) or DC jack (8-30 V) |
| Power Consumption | Up to 6 W |
| Dimensions | 224 x 224 x 48 mm (with mount) |
| Weight | Approximately 380 g |
| Operating Temperature | -30°C to +70°C |
| Mounting | Pole mount or wall mount (included) |
| Management | Web interface, WinBox, SSH, Telnet, SNMP |
| Special Features | NAT, firewall, VPN, bridge, VLAN, QoS |
| Certifications | FCC, IC, CE |
Frequently Asked Questions - RB911-5HnD-US Mikrotik
What is the default IP address to access the RB911-5HnD-US?
The default IP address is 192.168.88.1 with login admin and no password (or blank).
How to reset the RB911-5HnD-US to factory defaults?
Press and hold the Reset button (located near the Ethernet port) while powering on. Keep holding for about 10 seconds until the LED starts flashing, then release.
What type of PoE does this device support?
It supports Passive PoE (8-30 V DC) on the Ethernet port. Use a compatible injector or a MikroTik PoE switch.
Can the RB911-5HnD-US be used as a client to connect to a Wi-Fi network?
Yes, it can be configured as a station (client) in RouterOS to connect to an existing 5 GHz access point.
What is the maximum range of the built-in antenna?
The integrated 16 dBi panel antenna can achieve a range of several kilometers under line-of-sight conditions, typically 5-15 km depending on interference and obstacles.
How to update the firmware on the RB911-5HnD-US?
Download the latest RouterOS firmware from the MikroTik website, then use the Web interface (System > RouterBOARD > Firmware) or WinBox to upload and reboot.
Does the RB911-5HnD-US support 2.4 GHz Wi-Fi?
No, this model operates only on the 5 GHz band (802.11a/n). For dual-band use, consider other MikroTik products.
What is the purpose of the LED indicators?
The device has one LED: Power/Activity. It lights solid when powered, blinks for activity, and may indicate various states per RouterOS settings.
Can I install third-party firmware like OpenWrt?
While technically possible, it is not officially supported by MikroTik. The device is designed to run RouterOS and flashing third-party firmware may void warranty.
How to protect the device from lightning surges?
Use a Gigabit Ethernet surge protector (like MikroTik RB911G-5HPnD accessory) and ensure the PoE injector is properly grounded.
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