Dual-Cell HSDPA — (also known as: Dual Carrier HSPA or Dual Cell HSPA) is a wireless broadband standard based on HSPA that is defined in 3GPP UMTS release 8. Dual Cell (DC )HSDPA is the natural evolution of HSPA by means of carrier aggregation in the downlink[1].… … Wikipedia
Dual-modulus prescaler — A dual modulus prescaler is an electronic circuit used in high frequency synthesizer designs to overcome the problem of generating narrowly spaced frequencies that are nevertheless too high to be passed directly through the feedback loop of the… … Wikipedia
Dual-band blade antenna — Contents 1 Introduction 2 Theory 2.1 Monopoles 2.1.1 Blade Antennas 2.2 Slot Antennas … Wikipedia
Radio-frequency identification — (RFID) is a technology that uses radio waves to transfer data from an electronic tag, called RFID tag or label, attached to an object, through a reader for the purpose of identifying and tracking the object. Some RFID tags can be read from… … Wikipedia
GSM frequency bands — or frequency ranges are the cellular frequencies designated by the ITU for the operation of GSM mobile phones. Contents 1 GSM frequency bands 1.1 GSM 900, GSM 1800 and EGSM/EGSM 900 1.1.1 GSM 1800 … Wikipedia
UMTS frequency bands — or frequency ranges are the radio spectrum frequencies designated for the operation of the UMTS / HSDPA / HSUPA / HSPA+ system for mobile phones. UMTS FDD UMTS FDD is designed to operate in the following paired bands:Deployment in other frequency … Wikipedia
Light Finding Operation — The mecha in the anime series Eureka Seven are called LFOs, which stands for Light Finding Operation. LFOs are bio mechanical hybrids: armor and control systems are built upon an organic humanoid skeletons excavated from the Scub Coral. The LFOs… … Wikipedia
Vacuum tube — This article is about the electronic device. For experiments in an evacuated pipe, see free fall. For the transport system, see pneumatic tube. Modern vacuum tubes, mostly miniature style In electronics, a vacuum tube, electron tube (in North… … Wikipedia
Global Positioning System — GPS redirects here. For other uses, see GPS (disambiguation). Geodesy Fundamentals … Wikipedia
Wave radar — Ocean surface waves can be measured by several radar remote sensing techniques. Several instruments based on a variety of different concepts and techniques are available to the user and these are all often called wave radars. This article (see… … Wikipedia
LRK — Long Range Kinematic (LRK) technology is a sophisticated kinematic method developed by Magellan (formerly Thales) Navigation that optimises the advantages of dual frequency GPS operation. Other conventional methods use the dual frequency only… … Wikipedia