Modern Class AB amplifiers commonly have peak efficiencies between 30 – 55 % in audio systems and 50-70 % in radio frequency systems with a theoretical maximum of 78. 5 %.

Maximum power output from a Bluetooth radio is 100 mW, 2. 5 mW, and 1 mW for Class 1, Class 2, and Class 3 devices respectively, which puts Class 1 at a lower level than mobile phones, and the other two classes much lower.

The Class Action Fairness Act of 2005 increases defendants ' ability to remove state cases to federal court by giving federal courts original jurisdiction for all class actions with damages exceeding $ 5, 000, 000, exclusive of interest and costs.

Now known as The Macaulay Honors College University Scholars Program, it graduated its first class in 2005, attracting students with a mean high school GPA of 3. 5 and SAT scores of 1365 for the Class of 2009.

Class AB sacrifices some efficiency over class B in favor of linearity, thus is less efficient ( below 78. 5 % for full-amplitude sinewaves in transistor amplifiers, typically ; much less is common in class-AB vacuum-tube amplifiers ).

* Virginia classifies most felonies by number, ranging from Class 6 ( least severe: 1 to 5 years in prison or up to 12 months in jail ) through Class 2 ( 20 years to life, e. g., first-degree murder and aggravated malicious wounding ) up to Class 1 ( life imprisonment or the death penalty, reserved for certain types of murders ).

* Class E ( or 5 ) ( Cyclic AMP receptors )

Weighing in at around 5 tonnes, each boat in the Class 1 fleet is approximately 12-14m in length, 3. 5m wide, and constructed using composite materials.

A Class 5 rapid may be categorized as Class 5. 1-5. 9.

* LR ( Light Rigid )-A ' Class LR ' covers a rigid vehicle with a GVM ( gross vehicle mass ) of more than 4. 5 tons but not more than 8 tons.

The 5ESS Switch is a Class 5 telephone electronic switching system sold by Alcatel-Lucent.

The 5ESS Class 5 Switch first appeared in Seneca, Illinois ( 815 Area Code ) in 1982, and slowly replaced the 1ESS switch and other electromechanical and analog systems in the 1980s and 1990s.

The 5ESS was also used as a Class 4 telephone switch or as a mixed Class 4 / 5 in markets too small for a 4ESS switch.

* Lyonnesse-British Railways Standard Class 5 steam locomotive no.

* Kings Crown to the Order of the Red Eagle 4th Class ( 5 September 1911 )

The 9-1-1 call arrives at the appropriate PSAP after it is routed across the Public switched telephone network ( PSTN ) to a special facility called a Class 4 telephone switch or Tandem Office.

* Class of service ( COS ), a configuration parameter in legacy telephone systems

In some US states, making obscene telephone calls is a Class 1 Misdemeanor.

Class A devices, used on commercial ships, have the ability to send distress, distress relay, all ships urgency, all ships safety, individual, group, geographic area and telephone alerts.

Analogous with other Class 4 telephone switches, the main function of the class 4 softswitch is the routing of large volumes of long distance VoIP calls.

Class 5 softswitches are characterized by additional services for end-users and corporate clients such as IP PBX features, call center services, calling card platform, types of authorization, and other features similar to other Class 5 telephone switches.

* Class 4 telephone switch or tandem switch

On 1 January 2003 the States of Jersey's Telecommunications Board was corporatized and the telephone system was passed into a limited liability company, JT Group Limited, with 100 % of the share capital retained by the States, which was granted a Class III licence by the JCRA to operate a telecommunications system in the island.

Hull has therefore remained an exception within the UK telephone network, being the only place in the UK not served by BT and is noted for its distinctive cream coloured telephone boxes and innovative services, for example becoming the UK's first fully digital network in 1989 using Marconi System X telephone switches ( Central Offices or Class 5 switches ).

A Class 5 telephone switch is a telephone switch or telephone exchange in the Public Switched Telephone Network located at the local telephone company's central office, directly serving subscribers.

* Class 5 exchanges were those to which subscribers and end-users telephone lines would connect.

The fundamental difference between a Class 5 and the other classes of exchange is that a Class 5 switch provides telephone service to customers, and as such is concerned with " subscriber type " activities: generation of dial-tone and other " comfort noises "; handling of network services such as advice of duration and charge etc.

In the British telephone network, a Class 5 switch is known as Digital Local Exchange ( DLE ).

The first Class 5 switch, the DMS-10, began service on 21 October 1977 in Fort White, Florida and the first toll switch ( Class 4 ), the DMS-200, entered service in 1979 in Ottawa, Canada.

The DMS-10 was the first commercially successful Class 5 digital switch in the North American market and had a profound impact on the industry.

The aircrew could turn a switch on the Class III command to select the destructive yield required.

The TSPS system utilized special analog trunks that originated at Class 5 End Office circuit switch systems and Class 4 Toll Access circuit switch systems that were connected to Class 3 Primary Toll circuit switch systems such as the 4A-ETS / PBC and 4ESS switch systems.

Only a small proportion of the population ( about 5 %) is surveyed in writing or by telephone.

This term was first used by AT & T in commerce on July 5, 1960 and then was introduced to the public on November 18, 1963, when the first push-button telephone was made available to the public.

In November 2006, the Afghan Ministry of Communications signed a $ 64. 5 million US dollar deal with ZTE on the establishment of a countrywide fibre optical cable network to help improve telephone, internet, television and radio broadcast services not just in Kabul but throughout the country.

Lars Magnus Ericsson ( 5 May 1846 – 17 December 1926 ) was a Swedish inventor, entrepreneur and founder of telephone equipment manufacturer Ericsson ( incorporated as Telefonaktiebolaget LM Ericsson ).

combined fixed-line and mobile-cellular teledensity only about 7 per 100 persons ; The United Nations estimates placed telephone subscribers at. 2 per hundred in 2000, rising to 2. 5 per hundred in 2006.

Paraguay has the lowest fixed-line telephone density in South America, with 5. 6 lines per 100 residents, compared with 8. 7 per 100 in Bolivia, 21. 9 in Brazil, and 24. 9 in Argentina.

With only 5. 6 percent of the population having access to a land-line connection, the meager telephone network has resulted in rapid growth in mobile phone use.

The World Bank reported in 2007 that only about 1. 5 % of the population had a telephone resulting in the emergence of ten fiercely competitive telephone companies.

Only a small proportion of the population ( about 5 %) are surveyed in writing or by telephone.

In 2007 there were 5 million fixed telephone lines in use and 8, 096, 000 mobile phones, more than one per capita.

On the subscriber's end of the circuit, inline low-pass DSL filters ( splitters ) are installed on each telephone to filter the high-frequency " hiss " that would otherwise be heard, but pass voice ( 5 kHz and below ) frequencies.

The local telephone company usually sets a limit on the total REN, typically 5 or less.

In the Netherlands all telephone equipment shall carry a blue label with the ringer equivalence number-in this case 1. 5

TAT-12 / 13 is a ring cable system consisting of the 12th and 13th consortia transatlantic telephone cables, in operation from 1996, initially carrying 2 × 5 Gbit / s.

In some cases, multiple signals can be carried on a single cable ; Cat 5 can carry two conventional telephone lines as well as a single 100BASE-T channel in a single cable.

* 44 mil telephone subscribers, 75. 5 % mobile cellular ( 30mil ), density 52 phones for 100 people ( 2007 ).

The cost of running a landline or owning a mobile telephone is out of reach for most of Yemen ’ s poor population, resulting in very low telephone usage rates — 3. 9 fixed-line subscribers and 9. 5 mobile subscribers per 100 persons in 2005.

The C-band frequencies of 5. 4 GHz band to 5. 35 GHz, or 5. 47 to 5. 725 GHz, or 5. 725 to 5. 875 GHz, depending on the region of the world is used for IEEE 802. 11a Wi-Fi and cordless telephone applications, leading to occasional interference with some weather radars that are also allocated to the C-band.