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Bandung Station was the first railway station in Indonesia to use an electric signaling system. In 1970, the station began using the Siemens -produced DrS60 series. In December 2021, as part of the signaling modernization efforts, the old system was replaced with a new signal produced by PT Len Industri.
Based on OpenSignal in November 2016, there were only 58.8% of internet users in Indonesia who received 4G LTE signal, and received only HSPA+ signal or lower the rest of the time, ranking Indonesia 51st in the world. The download speed using 4G LTE in Indonesia was only an average of 8.79 Mbit/s (ranked 74th in the world).
Wireless LAN (WLAN) channels are frequently accessed using IEEE 802.11 protocols. The 802.11 standard provides several radio frequency bands for use in Wi-Fi communications, each divided into a multitude of channels numbered at 5 MHz spacing (except in the 45/60 GHz band, where they are 0.54/1.08/2.16 GHz apart) between the centre frequency of the channel.
Wi-Fi Direct is a Wi-Fi standard for wireless connections [1] that allows two devices to establish a direct Wi-Fi connection without an intermediary wireless access point, router, or Internet connection. Wi-Fi Direct is single-hop communication, rather than multi-hop communication like wireless ad hoc networks.
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Long-range Wi-Fi is used for low-cost, unregulated point-to-point computer network connections, as an alternative to other fixed wireless, cellular networks or satellite Internet access. Wi-Fi networks have a range that's limited by the frequency, transmission power, antenna type, the location they're used in, and the environment. [ 1 ]
PT Kereta Cepat Indonesia China中印尼高铁合资公司. PT Kereta Cepat Indonesia China (lit. 'Indonesia China High-Speed Railways Limited', abbreviated as KCIC) is an Indonesian transportation company that operates the Indonesian high-speed rail network built on the Jakarta – Bandung route in the Parahyangan megapolitan area. [1]
Wi-Fi 6, or IEEE 802.11ax, is an IEEE standard from the Wi-Fi Alliance, for wireless networks (WLANs). It operates in the 2.4 GHz and 5 GHz bands, [9] with an extended version, Wi-Fi 6E, that adds the 6 GHz band. [10] It is an upgrade from Wi-Fi 5 (802.11ac), with improvements for better performance in crowded places.