1. Introducció
The Comfast AC2100 is a high-performance dual-band WiFi signal extender designed to expand your wireless network coverage. With speeds up to 2.1Gbps (300 Mbps on 2.4GHz and 1733 Mbps on 5GHz), it provides a stable and fast connection for various applications such as gaming, video streaming, and live broadcasts. This device is ideal for enhancing WiFi coverage in multi-bedroom homes, villas, duplex buildings, offices, and lodging houses.

2. Producte acabatview
The CF-AC2100 features a compact design with powerful internal components and external antennas to ensure optimal performance.
2.1. Característiques clau
- High-performance three-chip architecture for stable connections.
- Four 3dBi external omni-directional antennas for strong signal penetration.
- 2100Mbps high-speed wireless transmission rate (2.4GHz/300 Mbps and 5GHz/1733 Mbps).
- Supports IEEE802.11ac/a/b/g/n wireless standards.
- One 10/100/1000Mbps WAN/LAN RJ45 port for Gigabit wired connections.
- Intelligent Sleep Mode for power saving.
- WPA-PSK/WPA2-PSK WPA/WPA2 encryption for secure networking.
- Integrated cooling holes on all four sides for efficient heat dissipation.
- Intelligent indicator lights to show device status.
2.2. Device Components and Indicators

- High Power Rotatable Antenna: Adjustable antennas for optimized signal reception and transmission.
- Indicador de senyal: Displays the strength of the WiFi signal.
- Indicador WPS: Lights up when WPS is active or pairing.
- Indicador PWR: Indica l'estat d'alimentació.
- Botó LED: Press to turn indicator lights on/off.
- Botó WPS/Restabliment: Used for WPS pairing or factory reset.
- Botó d'encesa / apagat: Controla l'alimentació del dispositiu.
- Gigabit RJ45 Port: Per a connexions de xarxa per cable.
3. Especificacions

| Atribut | Valor |
|---|---|
| Model | CF-AC2100 |
| Freqüència | 2.412~2.472GHz; 5.180~5.825GHz |
| Estàndard sense fils | IEEE802.11ac/a/b/g/n |
| Velocitat de transmissió | 2100Mbps (2.4G: 300Mbps + 5.8G: 1733Mbps) |
| Botons | 1*WPS/RST; 1*Power Button; 1*LED |
| Indicadors | Power Indicator light/Signal Indicator light/WPS Indicator light |
| Xifratge | WPA-PSK/WPA2-PSK; WPA/WPA2 |
| Mode de treball | Repeater mode, Router mode, AP mode |
| Mida del producte | 160 * 91 * 108 mm |
| Temperatura de treball | -10 ℃ ~ 55 ℃ |
| Temperatura d'emmagatzematge | -40 ℃ ~ 70 ℃ |
| Humitat de treball | 10% ~ 90% HR sense condensació |
| Humitat d'emmagatzematge | 5% ~ 90% HR sense condensació |
| Tarifa de transferència per cable | 10/100/1000 Mbps |
| Admet WPS | Sí |
| Tipus d'antena | Arreglat |
| Aplicació | SOHO (Petita oficina/Oficina a casa) |
4. Instruccions de configuració
The Comfast AC2100 is designed for easy setup, typically requiring just three steps. The default working mode is Repeater mode.
4.1. Quick Setup via Web Interface (Recommended)
- Connect to the Repeater: Use your phone, computer, or tablet to connect to the repeater's default SSID (e.g., COMFAST_XXX). No password is required for the initial connection.
- Accés Web GUI: Obre a web navegador i entreu
192.168.10.1in the address bar. This will open the repeater's Graphical User Interface (GUI). - Configure Repeater Mode: In the GUI, select 'Repeater Mode'. Choose the WiFi signal you wish to extend from the list, input its password, and click 'Setup'.
- Verifica la connexió: Wait for approximately 5 seconds. If the signal indicator light turns blue, the setup is successful, and the repeater is extending your WiFi signal.

4.2. WPS Setup (Wi-Fi Protected Setup)
If your main router supports WPS, you can use this method for a quick setup:
- Plug the Comfast AC2100 into a power outlet near your main router.
- Wait for the PWR indicator to stabilize.
- Premeu el botó WPS del vostre encaminador principal.
- Within two minutes, press the WPS/Reset button on the Comfast AC2100.
- The WPS indicator on both devices should blink and then turn solid, indicating a successful connection.
4.3. Producte acabatview Vídeo
5. Modes de funcionament
The Comfast AC2100 supports multiple operating modes to suit various networking needs:

- Repeater Mode (Default): Extends the coverage of an existing WiFi network. Ideal for eliminating dead zones.
- Mode AP (punt d'accés): Converts a wired network connection into a wireless access point. Useful for adding WiFi capability to a wired-only network.
- Mode d'encaminador: Functions as a primary router, creating a new wireless network from a modem connection.
- Mode client: Connects wired devices (e.g., smart TV, game console) to a wireless network.
6. Instruccions de funcionament
6.1. Comprensió dels llums indicadors
The intelligent indicator lights provide visual feedback on the device's status:

- Llum blava (sòlida): Senyal WiFi fort.
- Llum vermella (sòlida): Weak WiFi signal. Consider repositioning the repeater closer to your main router.
- Blue Flickering: The repeater is actively extending the WiFi signal.
- Botó LED: Press this button to turn the indicator lights on or off, which can be useful in bedrooms or dark environments.
6.2. Mode de repòs intel·ligent
The device features an Intelligent Sleep Mode. To activate it, simply press the PWR button. This will turn off the WiFi signal, allowing for a self-disciplined life and reduced power consumption when wireless connectivity is not needed.

6.3. Gigabit Wired Connection
Utilize the Gigabit RJ45 port for stable wired connections to devices like PCs, smart TVs, or gaming consoles, ensuring high-speed data transfer.

7. Manteniment
- Neteja: Netegeu suaument el dispositiu amb un drap suau i sec. No utilitzeu netejadors líquids ni en aerosol.
- Ventilació: Ensure the cooling holes on the device are not obstructed to maintain optimal heat dissipation and stable working performance.
- Col·locació: Place the device in a well-ventilated area, away from direct sunlight, heat sources, and moisture.

8. Solució De Problemes
- Sense energia: Ensure the device is securely plugged into a working power outlet and the Power ON/OFF button is pressed.
- Sense senyal/Senyal feble: If the signal indicator is red, try repositioning the repeater closer to your main router. Ensure there are no major obstructions (thick walls, large metal objects) between the repeater and the router.
- No es pot accedir Web GUI (192.168.10.1):
- Ensure your device (phone/computer) is connected to the repeater's SSID.
- Verify that you have typed the IP address correctly.
- Prova d'esborrar la memòria cau del navegador o utilitza un altre navegador.
- If issues persist, perform a factory reset (see below).
- Forgotten Password/Configuration Issues: If you forget your repeater's password or encounter configuration problems, you can perform a factory reset. Locate the WPS/Reset button and press and hold it for about 5-10 seconds until the indicators flash, then release. The device will revert to factory default settings, and you will need to set it up again.
- DHCP Option: For advanced users, the option to disable DHCP might be available within the web GUI's advanced network settings, depending on the firmware version. Consult the detailed user manual (if available) or contact support for specific instructions on advanced network configurations.
9. Consells d'usuari
- Col·locació òptima: For best performance, place the repeater halfway between your router and the area where you need improved WiFi coverage. Avoid placing it in corners or near large electronic appliances.
- Ajust de l'antena: Experiment with the rotatable antennas to find the best orientation for signal strength and coverage.
- Sleep Mode for Privacy: Use the Intelligent Sleep Mode (PWR button) to quickly turn off WiFi signals when not in use, enhancing privacy and reducing electromagnetic exposure.
- Backhaul per cable: For maximum stability and speed, consider using the Gigabit RJ45 port to connect the repeater to your main router via an Ethernet cable (if your router supports it and you're using AP mode).
- Tipus d'endoll: Note that the product comes with a US plug, and other regions receive a convert adapter version. Ensure you have the correct adapter for your region.
10. Contingut del paquet
En obrir el paquet, hauríeu de trobar els elements següents:
- 1 x Comfast AC2100 WiFi Repeater
- 1 x Guia d'instal·lació ràpida
- 1 x Targeta de garantia

11. Garantia i Suport
The Comfast AC2100 comes with a 1-year warranty. For technical support, troubleshooting assistance, or any inquiries regarding your device, please contact the manufacturer or your retailer. You can typically find contact information on the warranty card or the official Comfast weblloc.
Manufacturer: Shen Zhen Four Seas COMFAST Network Technology Co., Ltd.





