FAQ’s & Guides
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What are SFP’s and why are they used in telecommunication systems?
SFP’s are small optical module transceivers which are hot pluggable ...
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What is Modulation in Telecommunications?
What is modulation? Modulation is the process of encoding information ...
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The Difference between Twisted Pair, Coaxial and Fiber Optic Cables
Twisted Pair, Coaxial and Fiber Optic cables are the three ...
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What is LAA (Licensed Assisted Access) and why is it useful?
LAA (Licensed Assisted Access) was introduced in 3GPP release 13 ...
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Attenuation in telecom networks
Attenuation is a general term that refers to any reduction ...
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What is network densification?
As wireless subscribers continue to use more network resources than ...
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What is dark fibre?
When operators lay downs fibre optic cabling for their networks, ...
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What is G.fast and when will it be available?
G.fast is a telecommunications protocol standard for DSL (Digital Subscriber ...
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CSFB (Circuit-Switched Fall-Back): Explained
Circuit Switched FallBack (CSFB) is a technology whereby voice and ...
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VoLTE: What is it and how does it work?
VoLTE (voice over LTE) refers to voice calls that are ...
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When will 2G and 3G services be phased out completely?
As data traffic continues to grow every day, so too ...
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Understanding Multiplexing in Telecommunications
All forms of telecommunications, including radio, telephone and television use ...
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Fiber Optics: Explained (INFOGRAPHIC)
Fiber optic communication is a method used in telecommunications, to ...
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Synchronous Digital Hierarchy (SDH): Explained
Following on from our article explaining PDH (Plesiochronous Digital Hierarchy), ...
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The Plesiochronous Digital Hierarchy (PDH): Explained
Plesiochronous Digital Hierarchy (PDH) was designed to transport the huge ...
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What are the different types of PON (Passive Optical Networks) and what are they used for?
This article explores the various types of PON (Passive Optical ...
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What is SDN (Software Defined Networking)?
SDN or ‘Software-defined networking’ is a type of network virtualisation ...
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PSTN (Public Switched Telephone Network) Explained
What is the PSTN? The PSTN or Public Switched Telephone ...
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Access Network Layer: Explained
The access layer in telecommunications networks connects users to their ...
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What’s the attraction to GPON?
There are a number of reasons why operators have favoured ...
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Core Network Layer: Explained
In telecommunications, the core network is the central element of ...
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What is GPON (Gigabit Passive Optical Networks)?
GPON or ‘Gigabit Passive Optical Networks’ is a point-to-multipoint access ...
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A helpful guide to de-installing your telecommunication equipment
The decision to de-install your telecoms equipment can be one ...
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Telecoms Handling, Shipping & Packaging
How is our telecoms equipment handled and shipped to ensure ...
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Why would carriers choose to buy used or refurbished telecoms equipment?
Many carriers worldwide continue to purchase used and refurbished telecoms ...
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Don’t let your surplus telecoms equipment go to waste
Start generating revenue from your unwanted telecoms equipment If you ...
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Telecoms Repairs Process: Explained
We ensure a methodical, systematic approach to guarantee high quality ...
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What is Massive MIMO?
In February, we wrote an article explaining exactly what MIMO ...
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Why does the Alcatel 1600 range remain so popular?
We’re delighted to continue to help our customers locate spare ...
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What is Network Function Virtualisation (NFV)?
NFV or Network Function Virtualisation is the concept of replacing ...
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Are existing mobile operator networks ready for the demands of AR and VR apps?
As apps and games have begun to increasingly rely on ...
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LTE, LTE-A & LTE-A Pro: Explained
LTE or Long Term Evolution is a series of 4G ...
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What are different types of small cells used for?
‘Small cells’ is the term used for operator-controlled, low-powered radio ...
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What is MIMO?
MIMO  or ‘multiple-input, multiple-output’ is a wireless technology that, when ...
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Common Wi-Fi Connection Solutions
Are you experiencing a slow Wi-Fi connection? If your internet ...
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LAN vs WAN: What are the differences?
This article explains the differences, including advantages and disadvantages of ...
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An Introduction to Network Slicing
There have been a number of recent developments in 5G, ...
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What is Small Cell Technology?
What are Small Cells? Mobile connectivity requirements are increasing at ...
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Are you making best use of your surplus telecommunication assets?
Are your telecoms assets becoming a mess? Are you confused ...
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Tips for Managing Your Telecommunications Budget
This article has been designed to assist those who are ...
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Why choose a revenue share option over a quick sale?
This article explains the reasons why you should opt for ...
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Why choose Carritech as your telecoms support provider?
At Carritech, we provide support, repair and replacement services to ...
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Important questions to ask your telecommunications supplier
Telecommunications equipment can be hard to come by, especially legacy ...
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6 Benefits of Buying from Carritech
6 Key Benefits of buying telecommunications products from Carritech The ...
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How To Sell Used Telecommunications Equipment
How to sell used telecommunications equipment. Advice from a trade ...
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What are the benefits of purchasing from the telecommunications secondary market?
Without an extremely large budget and a long period of ...
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We Purchase: Frequently Asked Questions
We Purchase FAQs: We have provided a list of our ...
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