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Also, low mobility users can aggregate multiple channels to get a download throughput of up to 1 Gbit/s [2] Flash-OFDM: Flash-OFDM: Mobile Internet mobility up to 200 mph (350 km/h) Flash-OFDM: 5.3 10.6 15.9: 1.8 3.6 5.4: Mobile range 30 km (18 miles) Extended range 55 km (34 miles) HIPERMAN: HIPERMAN: Mobile Internet: OFDM: 56.9: Wi-Fi: 802.11 ...
Common levelling instruments include the spirit level, the dumpy level, the digital level, and the laser level. Levelling staff – specialized measuring stick or vertical staff used with the dumpy level, held by a second person while the operator of the level looks through it and takes readings off of the staff. Also call a rod.
This ensures it can be applied to wireless voice telephony, mobile Internet access, fixed wireless Internet access, video calls and mobile TV technologies. CDMA2000 is a family of 3G mobile technology standards for sending voice, data, and signaling data between mobile phones and cell sites.
JT Group Limited (doing business as JT) is the parent company of several subsidiaries including Jersey Telecom Limited and Wave Telecom Limited. Jersey Telecom is the former monopoly operator in the Bailiwick of Jersey. JT provides telecommunications, Internet access and other services, mostly within the Channel Islands. [1]
The RS-232 electric signaling uses active low (negative logic). The digital data representing "K" (0x4b) as 7-bit ASCII is framed as "7E1" with 1 start bit, 7 data bits, even parity, 1 stop bit. The use of either the higher or the lower voltage level to represent either logic state is arbitrary.
The Y level or wye level is the oldest and bulkiest of the older style optical instruments. A low-powered telescope is placed in a pair of clamp mounts, and the instrument then leveled using a spirit level, which is mounted parallel to the main telescope. The term dumpy level (also builder's level) endures despite the evolution in design. They ...
In telephony, a basic group in the digital multiplex hierarchy. In the North American and Japanese T-carrier digital hierarchies, each digroup supports 12 PCM voice channels or their equivalent in other services. The DS1 line rate (2 digroups plus overhead bits) is 1.544 Mbit/s, supporting 24 voice channels or their equivalent in other services.
Turning is a term used when referring to moving the level to take an elevation shot from a different location. To "turn" the level, one must first take a reading and record the elevation of the point the rod is located on. While the rod is being kept in exactly the same location, the level is moved to a new location where the rod is still visible.
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