#telecommunications
99 episodes
#5563: Your Fiber Is Dark: What You Can Actually Test
Your ONT is dark and there's no sync light to watch. Here's what a PON power meter can actually tell you before you call the ISP.
#5534: When Your Carrier Sells You Coverage It Can't Deliver
Daniel's phone went from reliable to useless after a cheap SIM swap. Here's what's actually happening when a network claims coverage it can't deliver.
#5528: What Your eSIM Manager Is Actually Doing
Those log lines during eSIM setup aren't noise — they're the GSMA provisioning spec running in the open.
#5525: Why Does an eSIM Adapter Need a Card Reader?
Your Android phone can already read and write an eSIM adapter card. So why does the company still sell a $15 USB reader?
#5484: When Governments Own the Pipes: Telecom's Open-Access Model
Could the state own all telecom infrastructure while private companies compete on top? New Zealand and Stockholm already tried it.
#5483: One Network: Israel's Deregulation and the Case for State-Fiber
Israel's reforms cut mobile prices 60–80%. Now: what if the state owned the physical network and every carrier rented it?
#5479: Why Number Porting Takes 30 Minutes
Routing a ported number takes milliseconds. So why does the SIM swap take hours? We trace the signalling behind "keep your number.
#5477: Who Owns the Antennas? Israel's MVNO Puzzle
Israel's virtual operators won't tell you whose towers they ride. Turns out your phone already knows — if you read the right signals.
#5378: SIP Speakers, Multicast, and the One-Way Page
How SIP one-way paging actually works — and why multicast turns 500 speakers into a single call.
#5281: Why Your Cheap Phone Plan Feels Broken
Same phone, same spot, same 5G bars — so why does a cheap carrier crawl? It's not the signal.
#5248: Why HF Radio Beats Fiber When Governments Pull the Plug
HF loss doesn't scale with distance — it scales with ionospheric hops. And that changes everything about embassy comms.
#5247: Why HF Radio Still Matters When Networks Fail
HF and shortwave are the same band — and it's the only comms path no host nation can switch off. Here's why it persists.
#5243: The Antenna on the Consulate Roof
When a host country cuts the water and the fiber, one thing still reaches London: the HF antenna bolted to the consulate roof.
#5138: Who Are Taxi Drivers Really Talking To?
The earpiece isn't a fake call or a coordination tool. It's a lifeline against the profound isolation of the job.
#4841: How Global Roaming Actually Works (and What to Buy)
The plumbing behind international roaming and which eSIM plans actually deliver on their promises.
#4803: How Digital Road Signs Talk to Cars
How roadside radios broadcast stop signs and traffic data directly to vehicles over 5.9 GHz.
#4793: Fibre Isn't a Trick — It's the Thing the Trick Was Trying to Approximate
The glass in the ground is already 40 years old — and it's barely breaking a sweat.
#4790: Why Your Internet Speed Is Really a Shared Cap
The speed on your bill isn't what you think. Here's how ISPs really meter your connection.
#4779: Bonding Hotel Wi-Fi: Travel Router eSIM Guide
eSIM travel routers, Speedify bonding, and whether you can rent a preconfigured bonding endpoint instead of building your own VPS.
#4698: What a Business Fibre SLA Actually Guarantees
DIA circuits promise 99.9% uptime, but the fine print tells a different story. Here's what you're really buying.
#4691: The Machine Lane: When AI Agents Call Your Business
What if your business phone menu had a button for AI callers? The search for who's building it — and why nobody has.
#4642: What Net Neutrality Actually Means for Your Internet
ISPs can see your traffic and shape it. Net neutrality is the only thing stopping them — and right now, the rules are blank.
#4633: How In-Flight Wi-Fi Actually Works at 35,000 Feet
Daniel measured 150 Mbps over the Atlantic. Here's how the antenna, cabin network, and routers make it possible.
#4631: How Starlink Delivers Real In-Flight Wi-Fi
Why Starlink beats traditional satellite internet on planes — latency, lasers, and phased arrays explained.