Question 1

It says that this Huawei router comes with external Ariel as such would I need to purchase anything else?

Accepted Answer

I cannot see where it says that B525 comes with external antennae. Normal delivery is just the router and power supply. The B525 has internal antennae which are very good. 
Cheap basic rabbit's ears external antennae are very unlikely to improve performance. If using indoor antennae the performance will depend on location in the building because this influences the available signal. Also depends on mobile coverage in your area, distance from mast and on how busy the network is. 
Best is to try without external antenna and then if speed is not sufficient consider outdoor antenna of which there are two basic types, omni-directional and directional. A good one may cost more than the B525. It is important to select appropriate type, omnidirectional or directional. 
https://www.satshop.fi/p-58-unicom-mimo.html. This is a Finnish website. You can change from Suomi to English on top right of page. Look on 4G/5G tab for useful comments on antenna types and uses. The coloured map shows antenna types and ranges from mast. Google translate map notes from Finnish. See comments on built-up or rural areas. 
Think of it this way. The router communicates frequently both ways with the mast. The mast is powerful but the router is a small transmitter. A good external antenna increases the power of the router and also better captures the signal coming from the mast. It can help speed even in good signal areas because it improves the detailed communication. 
Best to try router on its own, read up on antennas and how to select / use. A good antenna can cost more than router and may not be needed. 
Do NOT misunderstand the 300Mbps. That is a theoretical speed that may be got in laboratory test conditions with no network restrictions and using multiple bands in channel aggregation. In reality with a good signal and no network overload you can expect 40 to 100 Mbps download.

Question 2

does it work on 3g and 3g

Accepted Answer

it weaker signal areas it works on 3G, but where there is a decent 4G signal it works on 4G

Question 3

Will it work in South Africa?

Accepted Answer

First do a google search for gsm coverage worldwide.  www.worldtimezone.com/gsm.html   
According to that map it should work but read the frequencies and standards for yourself.  This router pulls in signal from 6 miles away in my poor location in Ireland.
I also use D-Link DWR953 AC750.  Performance of both is similar but I prefer the design of the D-Link because it’s shape is neater and easier to fix cables to. It sits better on a table or shelf and the sim is easier to remove if you need to take out in a portable router when going out.
 I also have a D-Link router in Portugal.  That performs well in the hot climate.  Both routers have terminals for external aerial which is essential for getting the signal into the house in poor signal locations.  Both routers can be locked to 4G only which I do in Ireland as the 4G signal is weaker than the 3G and would not normally be selected otherwise.
Suggest you also look at manufacturers specs and compare the two before buying and see which you prefer.

Question 4

What is the password to get passed the quick setup screen? Tried admin as per label but it's incorrect.

Accepted Answer

Have you made sure it’s lowercase a, I know my iPhone defaults to capital...

ASIN	B06ZZL966Q
Antenna Location	Business, Home
Antenna Type	Fixed
Best Sellers Rank	206,457 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 318 in Mobile Broadband Devices
Box Contents	B525
Brand Name	HUAWEI
Colour	White
Compatible Devices	Personal computer, laptop, tablet, smartphone, game console
Connectivity Protocol	Wi-Fi
Connectivity Technology	Wi-Fi
Control Method	App
Controller Type	Web Interface, WPS
Coverage	Multi-room/Multi-area
Customer Reviews	4.4 4.4 out of 5 stars (327)
Data Transfer Rate	300 Megabits Per Second
Frequency	5 GHz
Frequency Band Class	Dual-Band
Global Trade Identification Number	06901443173747
Has Internet Connectivity	Yes
Is Modem Compatible	No
Item Weight	0.4 Kilograms
LAN Port Bandwidth	1000 Mbps
Manufacturer	Huawei
Manufacturer Part Number	HB525WHITE
Maximum Upstream Data Transfer Rate	300 Megabits Per Second
Model Name	HB525
Model Number	HB525WHITE
Number of Antennas	2
Number of Items	1
Number of Ports	5
Operating System	Huawei LiteOS
Other Special Features of the Product	Internet Security
Product Warranty	1 year
Router Network Type	Wireless
Security Protocol	WPS
Wi-Fi Generation	Wi-Fi 4
Wireless Compability	802.11n

HUAWEI B525 2017 -4G 300Mbps, CAT 6, mobile WiFi Router, NOT UK warranty stock

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