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ZyXEL GS1900-8HP Gigabit Smart Managed Switch – R1,380

Selling a ZyXEL GS1900 Series Gigabit Smart Managed Switch in good working condition.

Model: GS1900-8HP—fanless design, quiet, reliable, and perfect for office use.

✅ 8 × GbE (10/100/1000 Mbps) ports
✅ 8 × PoE+ ports (IEEE 802.3at) – 70W power budget
✅ Fanless design for silent operation
✅ Easy browser-based management
✅ Advanced protection (loop prevention, storm control)

- Price: R1,000.00 (vs R2,821 new on Takealot)
- Payment: Cash, EFT, debit/credit card
⚡ Note: Power cord not included (requires 54V = 1.7A, 90W max)

- Location: Claremont, Southern Suburbs, Cape Town
- Collection only
- WhatsApp Brett: 062 015 0227

- More info: https://www.youtube.com/watch?v=B4FPQNVplBM

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Selling a calculator I have modified, as the product title suggests, it has ChatGPT onboard. I painstakingly worked on this as a project of mine for the past month, give or take, hence the high price tag. Works like a charm. You can discreetly throw questions at it, math and the sciences alike it will write out the correct (in 19/20 cases, as AI is not perfect) steps if applicable and ultimately, a solution.

You will be given proof of concept and necessary instructions to setting it up and using all of its features. I will be on standby for support should you need it.

The calculator is discreet. It features a caps lock feature, this enables you to easily type out sentences such as "What is the purpose of the Mitochondria", when your muscle memory inevitably improves, you can type out a sentence like the aforementioned in seconds.

You can put both ChatGPT on the device and remove it from the device with a few presses of buttons, the reason this works is due to ChatGPT being stored externally within the calculator body. This means resetting the ram will not permanently remove ChatGPT and it can be reinstalled with ease.

How a typical use case would go: install ChatGPT with a few buttons presses during the beginning of the session or the night before, turn on the calculator and give the Wi-Fi chip a few seconds to boot up, then simply connect the calculator to your mobile hotspot through the program you installed, now you can simply navigate to the chat and ask it questions and get answers in return.

Another nifty thing of note, as with any other calculator, you can dim the contrast of the interface. This means your text/numbers will be near invisible to anyone but you, provided they aren't directly in front of the screen as you would be during a test. This means you can easily type out your questions with invisibility, you just need confidence that you know you're typing it out correctly, typing becomes second nature with experience, so confidence is not an issue. Only after you have finished typing out the question, do you turn up your contrast a bit, making the ChatGPT response visible to a degree of your choice.

The calculator uses AAA rechargeable batteries; any brand will do, I personally opt for Energizer. They NEED to be AAA rechargeable batteries, the wiring is sensitive; you will kill the modifications if you use anything other than AAA rechargeable batteries. When the "rechargeable" batteries have depleted, you will have to buy new ones, you cannot recharge them and run the risk of overcharging, inevitably ruining what you paid for. There is a low battery indicator, so you know when to get new batteries.

I can video call it in use should you want it. I expect your payment first and foremost. Looking for payment by EFT, this payment must reflect on my account before I can hand it over to you. We can meet up at a restaurant.