Can this device take wifi input (not ethernet / cat 6) and convert it to a ethernet output (cat 6)?

Yes, you could setup like this: WiFi--->GL-AR300M16-Ext---(ethernet cable)--->Your devices

Can I change one antenna to a directional antenna and use in repeater mode?

You could change the antenna, the antenna is uFL to RP-SMA-Male.

If I connect an external antenna do I have to have something connected to both antenna ports and if so do they have to match or can I leave one empty?

Coverage will likely be better with two similar antennas connected. One antenna connected would not, most likely, cause any circuit failures. GL.iNet has indicated to me that dissimilar antennas is acceptable. In my case I tried a WiFi yagi on one antenna port (supplied antenna on the other) but it did not improve signal strength to my internet source in my particular situation. I would suggest you give it a try and see if it works for you.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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GL.iNet GL-AR300M16-Ext Portable Mini Travel Wireless Pocket Router - WiFi Router OpenWrt 2 x Ethernet Ports OpenVPNWireguard VPN for Public Hotel Wi-Fi USB 2.0 Port 2 x External Antennas.

GL.iNet GL-AR300M16-Ext Portable Mini Travel Wireless Pocket Router - WiFi Router OpenWrt 2 x Ethernet Ports OpenVPNWireguard VPN for Public Hotel Wi-Fi USB 2.0 Port 2 x External Antennas.

Product ID: 736914709

Details

Brand
GL.iNet
Compatible Devices
Laptop
Connectivity Technology
Ethernet USB
Special Feature
wps
Wireless Communication Standard
2.4 GHz Radio

📶300Mbps Wi-Fi Speed

🔌2 x Ethernet Ports + USB 2.0

🛡️OpenVPN & WireGuard VPN Support

Description

🌍 Stay connected, stay secure—your pocket-sized digital fortress.

NEXT LEVEL SECURITY - Built-in OpenVPN & WireGuard VPN clients with compatibility for 30+ providers keep your data locked down.
OPEN SOURCE FREEDOM - Pre-installed OpenWrt OS with 128MB RAM and hardware DIY options for the tech-savvy professional.
PLUG PLAY CONVENIENCE - Powered by any USB port—laptop, power bank, or adapter—no bulky chargers needed.
POCKET SIZED POWERHOUSE - Ultra-light 20g design fits in your palm or pocket for seamless travel connectivity.
MULTI MODE INTERNET ACCESS - Connect via Ethernet, Wi-Fi repeater, 3G/4G USB modem, or tethering—flexibility wherever you go.

The GL.iNet GL-AR300M16-Ext is a compact, ultra-lightweight travel router delivering up to 300Mbps Wi-Fi speed with dual Ethernet ports and USB 2.0 connectivity. Pre-installed with OpenWrt, it supports OpenVPN and WireGuard VPN protocols compatible with over 30 providers, ensuring secure browsing on public networks. Powered via USB and featuring 128MB RAM, this router offers versatile internet access modes and hardware extensibility, making it the ultimate portable security and connectivity solution for professionals on the move.

Specifications

ASIN	B07794JRC5
Antenna Type	Internal
Brand	GL.iNet
Brand Name	GL.iNet
Compatible Devices	Laptop
Connectivity Technology	Ethernet, USB, Wi-Fi
Control Method	Touch
Customer Reviews	4.3 out of 5 stars 2,007 Reviews
Data Transfer Rate	300 Megabits Per Second
Frequency	2.4 GHz
Manufacturer Part Number	GL-AR300M16-Ext
Model Number	GL-AR300M16-Ext
Number of Ports	3
Operating System	RouterOS
Other Special Features of the Product	wps
RAM Memory Installed	128 MB
Special Feature	wps
Voltage	5 Volts
Wireless Communication Standard	2.4 GHz Radio Frequency
Wireless Compability	2.4 GHz Radio Frequency

Reviews

P**N

12.06.2025

G**E

20.12.2025

M**N

7.06.2024

R**.

20.02.2024

W**U

2.05.2025

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