LPD433 ( Low Power Device 433 MHz ) is a part of ITU region 1 ISM band which allows for licence free communication devices, using frequencies in the UHF band from 433. 075 MHz to 434. 775 MHz.

Low frequencies excite these modes the most, since long wavelengths are not much affected by furniture compositions or placement.

Low frequency or low freq or LF refers to radio frequencies ( RF ) in the range of 30 kHz – 300 kHz.

Low frequency waves can also travel long distances by reflecting from the ionosphere ( the actual mechanism is one of refraction ), although this method, called skywave or " skip " propagation, is not as common as at higher frequencies.

Low to medium power valve amplifiers for frequencies below the microwaves were largely replaced by solid state amplifiers during the 1960s and 1970s.

Another conflicting designation which includes this frequency range is Extremely Low Frequency ( ELF ), which refers to frequencies from 3 to 300 hertz.

The initial " Mark I " Oboe was derived from Chain Home Low technology, operating at upper-range VHF frequencies of 1. 5 meters / 200 MHz.

Some types of navaids, such as Non-directional beacons and Distance Measuring Equipment, do not operate on these frequencies ; in the case of NDBs the Low frequency and Medium frequency bands are used between 190 – 415 kHz and 510 – 535 kHz.

Low amplitude beta waves with multiple and varying frequencies are often associated with active, busy, or anxious thinking and active concentration.

we are stronger and more self-confident -- and Low cannot so easily put us to rights.

( c ) Ligeantia localis, by operation of law, when a friendly alien enters the country, because so long as they are in the country they are within the Sovereign's protection, therefore they owe the Sovereign a local obedience or allegiance ( R v Cowle ( 1759 ) 2 Burr 834 ; Low v Routledge ( 1865 ) 1 Ch App 42 ; Re Johnson, Roberts v Attorney-General 1 Ch 821 ; Tingley v Muller 2 Ch 144 ; Rodriguez v Speyer AC 59 ; Johnstone v Pedlar 2 AC 262 ; R v Tucker ( 1694 ) Show Parl Cas 186 ; R v Keyn ( 1876 ) 2 Ex D 63 ; Re Stepney Election Petn, Isaacson v Durant ( 1886 ) 17 QBD 54 );

Conversely the use of true brass seems to have declined in Western Europe during this period in favour of gunmetals and other mixed alloys but by the end of the first Millennium AD brass artefacts are found in Scandinavian graves in Scotland, brass was being used in the manufacture of coins in Northumbria and there is archaeological and historical evidence for the production of brass in Germany and The Low Countries areas rich in calamine ore which would remain important centres of brass making throughout the medieval period, especially Dinant – brass objects are still collectively known as dinanterie in French.

Low serves are also used frequently, either forehand or backhand.

Low concentrations are not a problem for bacteria because they simply ignore the waste that surrounds the metals, attaining extraction yields of over 90 % in some cases.

Low cost, availability, and portability are cited by practitioners as qualities which make this common writing tool a convenient, alternative art supply.

Low, broken-in, soft-soled, non-marking shoes, such as dance shoes, sneakers, or sandals, are recommended and, in some places, required.

The term " Low Fantasy " is used to represent other types of fantasy, however, so while comic fantasies may also correctly be classified as low fantasy, many examples of low fantasy are not comic in nature.

Low carbohydrate diets such as Atkins and Protein Power are relatively high in protein and fats.

Low surface brightness dwarf galaxies are important sources of information for studying dark matter, as they have an uncommonly low ratio of visible matter to dark matter, and have few bright stars at the center which would otherwise impair observations of the rotation curve of outlying stars.

In English, the terms poniard and dirk are loaned during the late 16th to early 17th century, the latter in the spelling dork, durk ( presumably via Low German, Dutch or Scandinavian dolk, dolch, ultimately from a West Slavic tulich ), the modern spelling dirk dating to 18th-century Scots.

Low explosives are compounds where the rate of decomposition proceeds through the material at less than the speed of sound.

Low explosives are normally employed as propellants.

Low percentage gels are very weak and may break when you try to lift them.

Low numbers ( below 31 and especially below 12 ) are popular because people play birthdays as their so-called lucky numbers ; hence a win in which these numbers are over-represented is more likely to result in a shared payout.

Low frequency inductors are constructed like transformers, with cores of electrical steel laminated to prevent eddy currents.

While Dutch is classified as a Low Franconian language, the Dutch Low Saxon varieties, which are also defined as Dutch dialects, form a dialect continuum with the Westphalian language.

Low temperature, starvation of the cells and high multiplicity of infection ( MOI ) are known to favor lysogeny ( see later discussion ).

Low male-to-female ratios are usually the result of a war, but these figures were lower than the sex ratio of 88. 3 males per 100 females recorded for 1953, the last year of the Korean War.

Low phosphate levels are an important limit to growth in some aquatic systems.

Low passes are lacking, and the principal roads and the railroads between France and Spain run only in the lowlands at the western and eastern ends of the Pyrenees, near sea level.

Low head dams are insidiously dangerous because their danger cannot be easily recognized by people who have not studied swift water.

However, Northern Low Saxon is easily understood by speakers of these dialects.

* Low security / privacy protection on photos that are easily clickable and downloaded on social networking sites.

Low coercivity stripes are easily damaged by even a brief contact with a magnetic purse strap or fastener.

In June, there is a firefly festival, and fireflies can easily be seen from many of the " chinkabashi " ( Low water crossing ).

Germany was easily served by a number of European mediumwave stations, including the BBC and domestic stations in France, the Low Countries, Denmark and Sweden, and Poland.

Low Birk Fell sports a fine beacon ( columnar cairn ), easily seen from Sandwick.

Low class European men in Hong Kong easily formed relations with the Tanka prostitutes.

Low necklines were commonly worn by women during the period, but according to the art historian Zahira Veliz, " the codes of pictorial decorum would not easily permit a known lady to be painted in this way ".

Low Ki easily defeated Lethal, then mocked him after the match.

It has been shown that Low Intensity Pulsed Ultrasound does have a localized effect on growth in human beings.

Low prevalence in other countries disguises serious, localized epidemics.