No. 19/2021 (May 10, 2021)
New vision of home monitoring from Amazon.
American technology company Amazon's Ring has recently unveiled a flying and room-monitoring camera that activates when sensors detect a potential home intrusion. The drone-like camera, named Always Home Cam, is designed for home surveillance and only activates when the occupants are away. The camera operates indoors and can travel within one floor of a building. If an intrusion is detected, the owner receives a notification on their smartphone and can view the camera live. Amazon assures that it cares about owners' privacy at the same time and the security system only sends reports when the camera is in motion. If it is at rest in the docking station, the system is physically locked. On top of that, the camera drone is loud enough to be heard when active. The solution, when it goes on sale, is expected to cost $250 and will only be available in the US at first.SMATV/SAT system.
Systems based on multiswitches are professional and the most popular way to deliver terrestrial TV (FM/DAB and DVB-T/T2) and satellite SAT (DVB-S/S2) signals to more subscribers. It is the end-user who decides what programs to watch by purchasing the appropriate satellite receiver or by signing an individual contract with one of the digital platform providers. TERRA products, dedicated to use SMATV systems, are primarily top-class equipment covered by a four-year warranty. TV systems based on those components guarantee great signal reception for long.- amplification and equalization of IF signals for 8 polarization-band pairs,
- amplification and equalization of DVB-T/T2 and radio signals,
- attenuation of LTE signals,
- compensation of attenuation characteristics of coaxial cable,
- powering other components of the system, such as LNBs, DVB-T/T2 preamplifiers, multiswitches or other bus amplifiers,
- elimination of external interferences thanks to die-cast housing (class A shielding level).
Video intercom system for one-family house - IP Hikvision of 2nd generation.
A diagram of the Hikvision IP video intercom system for a single-family house is shown below. The system is based on the DS-KD8003-IME1/EU G73652 door/gate station main module with a built-in 2 MP camera, one call button and 2 relays to control the wicket and the entrance gate. Two 7” DS-KH8350-WTE1/EU G74003 monitors with an IPS display are installed in the apartment. The Ultipower N29980 switch with 4 PoE ports supporting 802.3af is used to supply the door/gate station and monitors. The system is connected to the Internet via the TP-Link Archer C7 AC1750 N3262 router. The wicket is controlled with the use of the Bira ES1-001 G74210 electric door strike with steel keeper/latch with 4 mm adjustment range, suitable for 12 V AC or DC power supply. It is supplied with the 12 V DC M1820 power supply.Smoothing of video streams in Hikvision IP cameras.
Imaging techniques are constantly evolving, resulting in recordings with higher resolution, high frame rates, wider dynamic range and more detail. This is usually accompanied by an increase in the amount of data generated by the camera. Higher bitrates can cause problems when viewing video over a network with too little bandwidth.Installation and protection of fiber optic mechanical splices.
When deciding to join fiber optics using mechanical splices, it is important to remember that standard splice boxes as well as thermal splice mounting locations in fiber optic boxes and switch boxes are generally not sized to accommodate mechanical splices. Due to insufficient space, the installer decides to fix splices with insulating tape or, even worse, with hot-melt glue, or leaves them loose, which often leads to a mess in the box or switch.Facebook Wi-Fi.
With Facebook Wi-Fi, your customers can log on to your WiFi network with their Facebook account. In order to get free access to the network, customers need to check in at a given location (i.e., mark their presence at a given business on Facebook) so that it is visible to their friends. Each customer, upon logging in, is automatically redirected to that business' Facebook page.
I-37.PAT 3,6kN anchoring clamp E857537 is designed for suspension of fiber optic cables. The body is made of UV-protected plastic. The clamp is designed for round cables with a diameter between 3 and 7 mm. Minimum breaking force of 3.6 kN. | ||
LTE 700 TF007A TERRA rejection Filter TERRA TF007A (mast mount) filter R81010 is used to filter unwanted signals in the 240-470 MHz and 694-862 MHz bands intended for data transmission services. It is recommended particularly for systems using broadband amplifiers covering the full UHF band (up to 862 MHz). In such systems the interference caused by unwanted signals may effectively prevent the reception of DVB-T/T2 digital terrestrial television. | ||
+++The CD001 metal housing CD001 with DIN BD001 rail for TERRA headend mounted on the rear panel is designed for mounting devices, in particular TERRA headend components. Combination of the rail and the sheet metal guarantees a rigid mounting of 8 devices on a DIN rail. | ||





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