Does dynamic dns work with 4g?

No it does not work. Most mobile providers use Carrier Grade NAT, essentially you share your public IP with multiple users so DynDns does not work for port forwarding etc. You would need to use a VPN connection or a tunnel service such as ngrok. If you only need to connect to your network for remote admin then build a Pi with VNC or TeamViewer installed.

doe the device automatically switch from 3g to 4g depending of what signal is stronger?

Hi yes it will switch automatically to lower speeds if required, with an obvious reduction in speed.

Do i connect to tp-link or tp-link_5g? when going wireless or does it matter?

WiFi routers broadcast on two signals 2.4ghz and 5ghz hence you often see the word 5g... 2.4 typically gives you a longer range however 5g is faster providing you are close to the router.. setup both and just play with which one seems right for you! Good luck we have 5 of these units across our business sites and they work great for us

I have an external antenna that connects to my current router using lan cable and 3 network. would i be able to use this and plug into the wan port.?

I have not bought one of these yet but am looking too so I am researching it. There seems to be a lot of confusion about the aerials. I have downloaded and read through a copy of the user manual (comprehensive version) and it says that this has 3 internal wi-if antennas and 2 detachable LTE external antennas. So I would conclude that the description for this product that says that it has 2 detachable wi-if aerials is wrong. My understanding is that the two external aerials can be removed and this then facilitates the connection of an external aerial. I am looking at purchasing the Poynting 4G-PXPOL-A0002 directional aerial which has two leads and plugs, so they would connect to the two external aerial ports on this unit.

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TP-Link Archer MR200 4G Router with SIM Slot, AC750 Two Detachable Antennas | 2 External Antennas, Connect Up to 64 Devices, Flexible WAN/LAN Port, Guest Network, Plug & Play, No Configuration Required

Product ID: 48283900

Details

Brand
TP-Link
Colour
Black
Compatible devices
Laptop Smart
Connectivity technology
Ethernet
Frequency band class
Dual-Band
Model name
TP-link AC750

📡Dual-band AC750 Wi-Fi up to 733 Mbps

📶4G LTE SIM slot for instant mobile internet

🔌WAN/LAN port for versatile wired connections

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Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚀 Stay connected, stay ahead — your 4G Wi-Fi lifeline anywhere, anytime!

VERSATILE WAN LAN PORT - Switch effortlessly between cable, fiber, or DSL modems — or use 4G as a reliable backup connection.
DUAL BAND WI FI POWERHOUSE - Simultaneously run 2.4 GHz (300 Mbps) and 5 GHz (433 Mbps) bands for seamless multitasking and zero lag.
EFFORTLESS NETWORK MANAGEMENT - Control your home network remotely via the intuitive Tether app with parental controls and access management.
PLUG PLAY 4 G LTE CONNECTIVITY - Insert your SIM and stream, work, or game anywhere with blazing mobile internet speeds up to 150 Mbps.
DETACHABLE ANTENNAS FOR ENHANCED COVERAGE - Customize your signal strength and coverage with two removable antennas designed for stable, wide-range Wi-Fi.

The TP-Link Archer MR200 is a sleek AC750 dual-band 4G LTE router featuring a built-in SIM slot for instant mobile internet access. It delivers combined Wi-Fi speeds up to 733 Mbps and supports WAN/LAN wired connections for ultimate flexibility. With detachable antennas and easy app-based management, it’s designed for professionals who demand reliable, high-speed connectivity on the go or at home.

Specifications

ASIN	B0161ACBE0
Antenna Location	Home
Antenna Type	Fixed
Best Sellers Rank	5,736 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 35 in Whole Home & Mesh Wi-Fi Systems
Box Contents	AC750 Wireless Dual Band 4G LTE Router Archer MR200\|RJ45 Ethernet Cable\|Power Adapter\|Quick Installation Guide
Brand	TP-Link
Brand Name	TP-Link
Colour	Black
Compatible Devices	Laptop, Personal Computer, Smart Television, Smartphone, Tablet
Compatible devices	Laptop, Personal Computer, Smart Television, Smartphone, Tablet
Connectivity Protocol	Wi-Fi, Ethernet
Connectivity Technology	Ethernet
Control Method	App
Country of Origin	China
Coverage	Typical for router size and type
Customer Reviews	4.4 out of 5 stars 1,587 Reviews
Data Transfer Rate	150 Megabits Per Second
Frequency	5 GHz
Frequency Band Class	Dual-Band
Frequency band class	Dual-Band
Has Internet Connectivity	Yes
Is Modem Compatible	Yes
Item Dimensions L x W x H	30.5L x 22.5W x 7H centimetres
Item Weight	9.52 Ounces
LAN Port Bandwidth	733 Mbps
Manufacturer	TP-Link
Manufacturer Part Number	Archer MR200
Maximum Upstream Data Transfer Rate	50 Megabits Per Second
Model Name	TP-link AC750
Model Number	Archer MR200
Model name	TP-link AC750
Number of Items	1
Number of Ports	2
Operating System	Linux, Mac OS, Windows Vista
Other Special Features of the Product	Easy Setup, 4G SIM Support, WAN/LAN Port, Removable Antennas, Wide 4G Network Compatibility
Product Warranty	3 year manufacturer
Router Network Type	wireless
Security Protocol	WPS
Special feature	Easy Setup, 4G SIM Support, WAN/LAN Port, Removable Antennas, Wide 4G Network Compatibility
Unit Count	1.0 count
Wi-Fi Generation	Wi-Fi 5
Wireless Compability	802.11b, 802.11g, 802.11n
Wireless communication standard	802.11b, 802.11g, 802.11n

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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R4668

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered 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 South Africa.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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