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.

Gl Ar300m16 Ext | Desertcart Tunisia

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276.82 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

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Description

🌍 Stay connected, secure, and ahead—your travel Wi-Fi just got smarter!

DUAL ETHERNET PORTS - Seamlessly switch between wired and wireless connections for maximum speed and reliability wherever you work.
OPEN SOURCE FREEDOM - Fully programmable OpenWrt OS with 128MB RAM and USB storage expandability for tech-savvy customization.
PLUG PLAY ANYWHERE - USB-powered compatibility with laptops, power banks, or adapters keeps you connected without bulky chargers.
POCKET SIZED POWERHOUSE - Ultra-light 41g design fits your busiest travel bag without a second thought.
ULTIMATE PRIVACY ON THE GO - Transform any public or hotel network into your own secure Wi-Fi fortress with OpenVPN & WireGuard pre-installed.

The GL.iNet GL-AR300M16-Ext is a compact, 41g travel router featuring dual Ethernet ports, 300 Mbps Wi-Fi 4 speed, and pre-installed OpenWrt with OpenVPN and WireGuard support. Powered via USB and boasting 128MB RAM, it offers secure, private internet access anywhere, perfect for professionals on the move seeking customizable, reliable connectivity.

Specifications

ASIN	B07794JRC5
Antenna Location	Bussiness, Monitoring, Security, Travel
Antenna Type	Fixed
Best Sellers Rank	#2,962 in Computers & Accessories ( See Top 100 in Computers & Accessories ) #109 in Computer Routers
Brand	GL.iNet
Built-In Media	GL-AR300M16-Ext mini router, USB cable, Ethernet cable, and user manual
Color	Black
Compatible Devices	Laptop
Connectivity Protocol	Ethernet, Wi-Fi
Connectivity Technology	Ethernet, USB, Wi-Fi
Control Method	App
Controller Type	USB Control
Coverage	Standard Router Range (Indoors: 100-150 feet)
Customer Reviews	4.3 4.3 out of 5 stars (2,151)
Data Transfer Rate	300 megabits_per_second
Frequency	2.4 GHz
Frequency Band Class	Single-Band
Item Dimensions L x W x H	2.28"L x 2.28"W x 0.98"H
Item Highlight	Private mini travel Wi-Fi router with OpenWrt, OpenVPN/WireGuard, 2 Ethernet ports, USB 2.0, dual antennas, 41g, USB-powered
Item Weight	1.44 ounces
LAN Port Bandwidth	10/100 megabits per second
Manufacturer	GL Technologies
Maximum Upstream Data Transfer Rate	150 megabits_per_second
Mfr Part Number	GL-AR300M16-Ext
Model Name	Shadow
Model Number	GL-AR300M16-Ext
Number of Antennas	2
Number of Items	1
Number of Ports	3
Operating System	OpenWrt
Other Special Features of the Product	Access Point Mode, Internet Security, Remote Access
RAM Memory Installed	128 MB
Router Firewall Security Level	Advanced
Router Network Type	Wired and Wireless
Security Protocol	WPA2
Unit Count	1 Count
Voltage	5 volts
Warranty Description	2 Years
Wi-Fi Generation	Wi-Fi 4
Wireless Compability	2.4 GHz Radio Frequency

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276.82 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.