Thursday, January 14, 2021
In short, a hub glues together an Ethernet network segment, a switch can connect multiple Ethernet segments more efficiently and a router can do those functions plus route TCP/IP packets between multiple LANs and/or WANs; and much more of course.
Tuesday, December 15, 2020
Please be aware of the changes to our regular operating hours during the holiday season.
Wednesday, November 25, 2020
Both OSPF and EIGRP are Dynamic Routing Protocols. Dynamic routing protocols allow routers to select the best path according to real-time logical network layout changes. The main feature of dynamic routing protocol is its ability to re-route traffic when more optimal paths become available or when links along the most optimal path fail.
Thursday, November 12, 2020
In most countries, even some African countries, it is claimed to have 99+% mobile network coverage. However, we still experience call drop-outs, noise during a call or slow mobile internet from time to time. These are issues caused by so-called coverage blackspot.
RJ, which means Registered Jack and 11/45 is merely the number assigned to the interface standard.
Some may confuse refurbished telecom equipment with used or second-hand ones. However, there is a big difference. Refurbishment is to restore used equipment into a condition of safety and effectiveness comparable to when new, while used or second-hand equipment are simply equipment that has been in service and is put into service again without any processing.
Wednesday, September 23, 2020
Over the year, base station antennas have evolved with the mobile communication technology, e.g. omnidirectional antenna, directional single-polarized antenna, cross-polarized antenna, electric tilt antenna, MIMO (multi-In, multi-out) antenna, active antenna and etc.
Friday, September 11, 2020
According to a research from Cable.co.uk, South Africa ranks 101 out of 206 countries on the broadband internet cost in the world. In addition, Sub-Saharan Africa fared worst overall, with all but six of the 35 countries in the region with the most expensive broadband prices.
If you are unfortunately in these regions, this article could help you escape your local ISP and get internet at a faster speed and probably at a much cheaper price.
Wednesday, August 19, 2020
E-waste, or Electrical and Electronic Equipment (WEEE), is discarded electrical or electronic devices. Here are some facts about E-waste.
Wednesday, August 5, 2020
GBIC and SFP modules are both transceivers which are hot-pluggable, meaning they can be loaded into and out of a working telecommunication switch without the need for powering down. What are their differences?