Sam Altman, director of OpenAI, is also responsible for the Worldcoin project. Although it is not as popular as ChatGPT, it still stirs up a lot of controversy. One of the main goals of the project is to store scans of the iris of the human eye in a database. As biometric data, these scans are to be used to create digital passports – so-called “WorldID.” These passports would be resistant to forgery. To build the corresponding database, the company is already using so-called “orbs” – special ba...
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New models of Master compression connectors.
The F-type connectors are used for making connections in systems based on 75 ohm impedance coaxial cables. They are available in screw-on, cone crimped and compression versions. They are mainly used in terrestrial, satellite, and cable TV systems, as well as in CCTV systems. The reliability of the connection, attenuation level, and impedance matching in the signal path depend on the design and quality of the connectors. Top quality MASTER crimped connectors guarantee long-term and failure-free o...
Power meter and VFL in Sendun SD-9+ splicer.
The Sendun SD-9+ L5877 splicer has a built-in optical power meter and visual fault locator (VFL). Both tools can be extremely useful when installing systems based on fiber optic cables. However, it happens that installers, misinterpreting their functionality, try to use them to measure the attenuation of an optical link (the so-called transmission method)....
Amplifying LTE signal in a building.
The Signal GDW-505 A6777 repeater is used to amplify EGSM, GSM, DCS, WCDMA, and LTE signals and bring them indoors. The device is ideal for places where the signal is so weak that making calls or transmitting data via cellular phone is impossible. An example may be a place located far from the transmitter or a building with thick walls, cellars (coffee shops) or modern windows with panes of covered with metallic compounds....
Firmware update in the door station of the 2-Wire HD video door entry system.
DIPOL's photo contest about to end soon.
September 30, at midnight, is the deadline for submitting your photos for the 23rd edition of DIPOL's photo contest "Engagingly about antennas”. The submitted works will be judged by a well-known photographer from Krakow, Pawel Zechenter. The winners will receive attractive prizes, including a DJi gimbal and TP-Link access points. Before submitting photographs, please read Continue reading
Library new titles
- 2024-08-25
- Installation Components
One of the criteria for classification of TV systems in hotels is the programming to be distributed. The simplest systems may provide only free-to-air terrestrial TV broadcasts, whereas more advanced solutions will include satellite channels, also some premium ones (pay-TV). The content required by the owner/investor will depend on the categories of prospective hotel guests (foreign and thematic channels etc).
- 2024-07-17
- Some Theory
PoE (Power over Ethernet) is the name of a number of methods that allow for powering network devices through UTP/FTP cables. This way it is possible to power devices such as cameras, phones, switches, access points, etc.
- 2024-06-19
- Measurements
Measurement of DVB-T2 terrestrial television signals and DVB-S/S2 satellite television signals. The technique of measuring DVB-T2 terrestrial digital TV signals is not very different from DVB-T signal measurement.
- 2024-06-12
- HIKVISION
Archive library. The information contained therein may be outdated. HikCentral Professional is a complete platform designed to manage Hikvision-branded security systems.
- 2024-05-08
- Measurements
This article summarizes the knowledge for the installer who faces the task of verifying the correctness of a fiber optic system. The article describes in detail all aspects related to the idea and procedures of measurement by the transmission method.
- 2024-05-08
- Antennas & Connectors
The 5G network is the fifth generation of wireless (telecommunications) technology standards, which offers much faster data transfer speeds than earlier generations such as 3G or 4G.
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