Category Archives: Telecommunications

rnd(): Ghosts in the Air Glow, Networking Woes, Surprise T-Shirt, Opal Receipts & Parking Tickets

It’s been another busy week, as usual, but I guess it’s nice to be occupied. You wouldn’t want to be bored … so I thought it would be a good time to make this “random” post that covers some things … Continue reading

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Tech Flashback: Anchor Automation Volksmodem 12

This weekend is turning out to be a bit of a telephony weekend, as I unpack more items from the stack of items donated by readers of the blog. This one is something I’m particularly fond of – the Anchor … Continue reading

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After the Beep: DSE F-8011 & ion by Telstra Digital Answering Machines

The humble voice call by telephone has been with us for many years, but with the popularity of land-lines fading, it seems that the traditional voice call may be headed towards obscurity. As a synchronous communication, it requires both caller … Continue reading

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Random: Hailstorm, Floppy Torture, Earpad Repair & Creative Racking feat. GS724Tv3

It’s rarely the case I don’t get a chance to post until the very end of the weekend, but this week has been one of those weeks. Busyness knows no bounds, made worse when you get some surprise events thrown … Continue reading

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Project: The VOLMET Audio Gallery

Utility stations on HF are rather interesting to me and some readers may have seen my recent series on HF radiofax which is nearing its conclusion pending some more monitoring. But there are other types of utility stations out there, … Continue reading

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Teardown, Test: WebExcel 56k Voice/Fax/Data External Modem

A few weeks back, I was fortunate enough to receive a donation of various technology items from a reader of the blog. The donor had quite a lot of equipment, so I picked a few items I thought I could … Continue reading

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Tech Flashback: Diamond SM56LE-PCT V.92 56k Internal PCI Modem (I56PSP-F40)

A while back, I posted an article with what I termed the “definitive” collection of V.90 modem sounds. If you’re not familiar with it already, the characteristic sound that V.90 modems emit when they are attempting a “high speed” connection … Continue reading

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Analysis: Freeview TV Services in Sydney, Australia (27th December 2018)

It’s been a while since my last analysis of the Freeview services on air in Sydney – in fact, the last time I did it was after SBS moved to MPEG-4 for its HD services back in 18th April 2017. … Continue reading

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Random: Kogan vs Catch Connect LTE Speed, Crap CAT5e, Unboxing RPi3B+

It’s been a while since I wrote my last “random” post, so I thought it was about time to put up another. After all, sometimes there are just some observations that don’t quite warrant their own posting but are still … Continue reading

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Not So Smart: TP-Link TL-SG105E V3.0 5-Port Gigabit Easy Smart Switch

I’ve made a few mentions about VLANs in the recent past as it’s something that I find quite useful along with virtual APs with managing an ever-increasingly-complex home network. But as some more “basic” edge equipment may not be able … Continue reading

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Note: Multiple VLAN Operation on Realtek RTL8111D NIC (& Others)

A while ago, I wrote about the wonders of having multiple VLANs at home, operating in a mixed “hybrid” access model. While it was great, I made a comment that simultaneous VLAN operation might not be possible under Windows depending … Continue reading

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Tech Flashback: Landline Sounds & Telephone Teardowns

I’ve always been interesting in telephones and networks, but I’ve never really thought of becoming a telephone collector. Rather unexpectedly, through a process of not-throwing-things-out (it’s not hoarding, I swear!), I now have a few phones but not much to … Continue reading

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Project: RasPBX (FreePBX/Asterisk) for the Home

In the early days of VoIP, most users were still using analog phones through ATAs and early softphones with services like Free World Dialup (later, FWD) which offered users free SIP accounts that could call within the FWD network for … Continue reading

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Tech Flashback: Radio Scanning (feat. Uniden UBC93XLT, DSE DTS-96, Icom IC-R20)

Towards my later high-school years, in the mid-2000s, armed with a small amount of money, I picked up the hobby of radio scanning. As a person who was curious by nature and had built a number of FM radio microphone … Continue reading

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Tested: VLANs in the Home Through “Dumb” Switches

Being someone who has used consumer gear for a long time, I’ve always been rather frustrated at their inconsistent or general lack of support for VLANs. Long used in corporate networks, the VLAN concept can be extremely useful for realising … Continue reading

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Tested: EDUP 11AC 1900M Dual-Band USB 3.0 Wireless Adapter (EP-AC1621)

In my quest for more wireless throughput, my hAP ac with three-stream 802.11ac wireless seemed to be the right choice. The problem was that I had absolutely no three-stream capable equipment to use with it – so I wasn’t seeing … Continue reading

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Teardown: D-Link DGS-1005A 5-Port & TP-Link TL-SG1008D 8-Port Gigabit Ethernet Switch

After bathing in nostalgia looking over my old switch and hub, it’s time to come clean – there’s a place for Fast Ethernet and that was a number of years ago. While some of the old equipment might still be … Continue reading

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Teardown: Mikrotik hAP ac & hAP mini Routerboards

After my house move earlier this year, I was in a bit of a networking dilemma. As every self-confessed nerd knows – internet access is critical. I recently upgraded to a TP-Link Archer C7 AC1750 access point at the other … Continue reading

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Tech Flashback: Ethernet Hubs & Switches (Netgear DS104 & Skymaster 8320-030)

Ethernet has been around for so many years that we hardly ever take the time to stop and think about it. We take it for granted that most desktop PCs come with Ethernet ports integrated on-board, Ethernet switches are cheap … Continue reading

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Review: Cowin E7 Pro Active Noise Cancelling Wireless Headphones

UPDATE (02/2019): Unfortunately, the review unit has failed due to a defect in the earcup hinge – see full teardown here. As a result, I no longer recommend this unit. For anyone who travels frequently on public transport or is … Continue reading

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Investigating: Vodafone & Kogan Mobile Data Connection Issues

Access to the internet is so important nowadays that we rarely stop and think of the consequences of not having access to the internet until it stops working. Because of my recent relocation, getting access to the internet was an … Continue reading

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Mega Review: Fingbox Network Security and Troubleshooting Device

Earlier this year, I visited CeBIT where I stopped by the Fing stand and had a chat about their app and Fingbox device. The Fingbox was pitched as a network security and troubleshooting device which worked with the Fing app, … Continue reading

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Project: Record a K56flex Dial-Up Modem Connection

Inspired by my previous post made merely an hour ago, I set to work seeing if I could acquire a recording of a K56flex dial-up modem connection before it is too late. After all, both X2 and K56flex are more … Continue reading

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Project: Record a US Robotics “X2” Dial-Up Modem Connection

Throughout the long history of dial-up modems, higher connection speeds were always desired, but limitations in signal processing techniques and the phone lines themselves meant that achievable rates were always going to be limited. At various stages in time, the … Continue reading

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Note: Choosing 5Ghz Wi-Fi Channels for 802.11ac in AU

As society has moved towards ever smaller and more mobile devices, Wi-Fi has become an essential connectivity standard which we rely upon in our daily lives. It was initially made popular in the home by the availability of affordable, standardised … Continue reading

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Analysis: DVB-T2 Australian Television Networks Test Transmission

As I’ve been quite busy lately with work and job hunting, I really haven’t had much time to watch TV or look at the signals on the air. In fact, I’ve not had enough time even to look at Twitter, … Continue reading

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Challenge: Send a Fax Without a Landline or Fixed-Line Internet

A week ago, a friend approached me about sending off a fax. Despite the march of technology, this particular form had to either be mailed back (taking a few days and costing a decent amount of money) or faxed. My … Continue reading

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Review, Teardown: TBS 5220SE Universal TV Tuner USB Box

Recently, I embarked on an adventure to scan the C-band satellites in the sky. Unfortunately for me, my TBS 6925 tuners are both rather unwell and my Prof Revolution S2 8000’s are not doing much better by showing similar “bursts” … Continue reading

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Review: SanDisk Ultra Dual Drive m3.0 128Gb USB Flash Drive

It doesn’t happen very often, but once in a while, I need a new USB flash drive. This time around, I was looking for something cheap, of reputable make and 128Gb capacity. Interestingly, looking around my local computer shop, the … Continue reading

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Event: CeBIT Australia 2018 Exhibition (15-17 May)

It’s become a ritual – every year, around this time, CeBIT comes to Sydney and I pay them a visit. It’s always a privilege to be able to walk around the expo to see who’s around, what’s new and catch-up … Continue reading

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