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No. 5/2016 (Feb. 1, 2016)
Will e-SIM replace a traditional SIM card in your phone?
Latest news from the telecommunications market suggest that the days of traditional SIM cards are numbered. Its successor is to be so-called "e-SIM," or electronic SIM card. The new technology will greatly facilitate the process of swapping telephones and changing the network operator. It will be implemented through software, without the need for exchanging a physical SIM card. You will log on to your mobile device just by entering a PIN.First SIM cards were the size of credit cards but as time passed on their size became smaller and smaller. Today, they have several variations: mini, micro and nano. It is hoped that the electronic SIM cards will give consumers greater flexibility, for example you will be able seamlessly switch over to a local network in another country during your travel.
There are signs that such slots for SIM cards will soon disappear from new cellphones
Both Apple and Samsung are in advanced negotiations with GSMA, the organization that represents the interests of mobile operators worldwide. According to Financial Times, GSMA is expected to announce the new e-SIM standard in a near future. In addition to the two largest producers of smartphones in the world, the new solution is also supported by AT & T, Deutsche Telekom, Etisalat, Hutchison Whampoa, Orange, Telefonica and Vodafone.
Hikvision HD-TVI DVRs support IP cameras.
Hikvision DVRs for analog cameras have been supporting IP channels for a long time yet, but it applied only to Hikvision IP cameras. Beginning from the 3.3.1 firmware version, the DVRs also support other cameras compliant with Onvif standard. So, the user can connect cameras from other manufactures, for example Sunell and Signal. Depending on the model of the DVR, the user can connect 1 or 2 IP camera(s).
The analog DVRs having the characteristics of hybrid devices are ideal in situations where already have been installed max two IP cameras or where there is a need to support more cameras than the number of channels of the existing DVR. The IP channels are additional channels, which means that they do not reduce the number of available analog cameras. The Hikvision DVRs support:
- 4-channel DVRs: 1 additional IP camera with resolution up to 1080p,
- 8-channel DVRs - 2 additional IP cameras with resolution up to 1080p,
- 16-channel DVRs - 2 additional IP cameras with resolution up to 1080p.
The DVRs of the DS-7200HQHI-SH series support 2 additional IP cameras with resolution up to 1080p, independently from a model.
Setting up automatic restart in Signal cameras.
Signal cameras allow users to setup automatic restart in a required cycle. To activate this function, the user should log on to the camera (by default: admin, password: admin), and then select the system restoring item. There are several options:- never - the function is switched off,
- every day - reboot every day at the same selected time,
- weekly - reboot at the time selected individually for each day of the week,
- monthly - reboot at the time selected individually for each day of the month.
View of scheduled restart window of Signal K1885 camera
A fully professional solution for converting digital DVB-S/S2 channels into DVB-T COFDM form is the use of TERRA headend equipped with TDX410C R81617 transmodulators from DVB-S/S2 (8PSK, QPSK) to DVB-T (COFDM). The headend can be used in a wide range of hotels with different number of rooms, including the largest ones. It is easy to extend the programming by adding next TDX-410C R81617 modules. The configuration of the TDX410C R81617 transmodulators performed via a web browser is quite simple - scanning the selected satellite transponders and choosing the required channels.
The new solution has a number of advantages compared with other systems:
- no need for a central unit (lower cost),
- possibility of using redundant power supply,
- easy installation on DIN rail (no problem with installing and changing modules),
- easy access to CAM slots,
- intuitive configuration via a web browser - no need for additional devices.
Wireless home network.
The 802.11n standard can provide transmission speeds up to 600 Mbps, which are suitable for transmitting audio, video and other digital data.The wireless transmission of a movie or music album can take much less time than sending the same files using Fast Ethernet cable. An important feature of 802.11n devices is compatibility with older standards. An 802.11n router can also cooperate with wireless adapters/cards using 802.11b and 802.11g standards.
A reliable multimedia home-networking platform - 802.11n devices of TP-Link
List of equipment that can be used in such installation:
Multimode fibers can be used only for distances up to 2 km. An individual fiber cannot operate in duplex mode, i.e. at any moment signal can be transmitted only in one direction, so normally two fibers are needed for two-way communication. The maximum transmission speed depends on the length of the link. 1 Gbps data rate can be achieved in the cheaper OM2 fiber. Higher data rates may require the application of the OM3 type.
The differences in the structure of optical fibers:
MM - multimode
SM - single-mode
MM - multimode
SM - single-mode
Single-mode fibers are necessary for transmission distances over 2 km. There are many kinds (standards) of the fibers, but a cheap and versatile type is the popular G.652.D that can be successfully used in most situations. G.657 fiber with reduced minimum bending radius (7.5 mm) is recommended for applications in buildings and other places with limited space. Individual fibers can be used for bidirectional transmission. There are no problems with obtaining active devices with interfaces for single-mode fibers which operate at 10 Gbps data rates. Passive optical networks (PONs) can be based only on single-mode fibers, even in the case of short distances.
 | Outdoor Housing/Box: Kubiak PSH 250x250x150 IP65 R90602 - the metal housing with IP65 ingress protection rating is ideal for installing electronic devices in areas exposed to harsh weather conditions. The box can be used in places where tightness and durability is a must. Perfect for mounting antenna and IP network equipment. The box is made from solid steel sheets with a thickness of 1.2 mm to 1.5 mm painted in gray (RAL 7035). The enclosure is characterized by high resistance to environmental conditions (dust, dirt, moisture). | |
 | Folding stand for unwinding cables from reels E1910 with 35 mm holding tube is used for unwinding coaxial cables from reels with max height/width of 340 mm and diameter up to 390 mm. A very useful accessory for any antenna installer. | |
 | 9/12 Multiswitch Terra MR-912L R70812 has built-in amplifiers for terrestrial and satellite TV. The adjustment of the SAT IF and DVB-T (47-790 MHz) gain is made with dedicated switches. In comparison with potentiometers, this solution increases stability of the adjustments. Additionally, the MR-912L R70812 multiswitch has been equipped with passive terrestrial path that should be applied in systems with return channel (the passive and active paths cannot be used simultaneously). | |
Worth reading
Mobile Protect DVRs - browsing of recordings. he use of SD cards as the storage media in the Protect 104 M80104 DVR allows for easy and fast access to the stored data - it is enough to take out the card from the DVR and insert to the card reader in a PC. In need of archiving, the user does not have to connect a laptop directly to the DVR in the vehicle... >>>more
A screenshot from the CMS software for Protect DVRs - conversion to AVI format
Intelligent building - the whole home at your fingertips
