The Australian company Graphene Manufacturing Group (GMG) has unveiled a breakthrough blend of liquid graphene ("Super G") to improve the performance of standard lithium-ion batteries. The graphene is derived from a manufacturing system developed by GMG. At their pilot plant, it goes through a series of stages so that it is eventually transformed into liquid graphene that can be added to the cathode or anode of a customer's lithium-ion battery. GMG has developed the slurry over the past three ye...
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Antennas for DVB-T2 terrestrial TV.
SMART HORIZON COMBO A2270 and SMART CITY COMBO A2050 are advanced antennas designed for digital terrestrial TV reception that meet the requirements of modern TV systems, including the DVB-T2 standard. These antennas are recommended both, for individual systems and for multi-family buildings. With their ability to operate in the UHF and VHF bands, they are compatible with digital signals available on the European market. Both antennas are distinguished by their aesthetic appearance and ability t...
DS-KD-TDM display module for Hikvision IP video intercom.
DS-KD-TDM G73671 is a 4” display module designed to work with Hikvision DS-KD8003-IME1(B) G73652, 2-Wire DS-KD8003Y-IME2 G73646 and 2-Wire HD DS-KD7003EY-IME2/A G73647 IP door station head units. It features an IPS-type touchscreen display with a resolution of 480 x 480 p. It has a built-in tag reader in the Mifare standard (13.56 MHz), a touch keypad that can be used to call tenants and open the electric door opener using a code, a list of tenants and the ability to display advertising graphics...
How to find out on which wires power is sent to IP cameras?
Pass-through RJ-45 connectors.
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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