Gateway device
Gateway device

Gateway functionWhen using different communication protocols, data formats or languages, or even between two systems with completely different architectures, the gateway is a translator, and the gatew...

Public dns
Public dns

Main functionsPublic DNS server, as the default DNS resolution server of the system, has no ads, can prevent DNS hijacking to a certain extent, and does not need to be changed due to changes in the In...

Fourth season on the brink of crisis
Fourth season on the brink of crisis

Basic informationIntroductionThis high-profile science fiction drama is produced by FOX TV’s gold medal screenwriter JJ Abra Produced by J.JAbrams. The TV series "Lost" and the movie "Cloverland" prod...

Firmware upgrade
Firmware upgrade

IntroductionOverviewThe explanation in the firmware (FirmWare) dictionary is hardware with software functions. In the early days, such devices generally contained software EROM or EPROM, etc., and usu...

eas system
eas system

IntroductionElectronic tags are divided into soft tags and hard tags. The cost of soft tags is lower, and they are directly attached to more "hard" products. Soft tags cannot be reused; hard tags are...

Fiber protection
Fiber protection

IntroductionWith the continuous expansion of the scale of the power grid, the safe and stable operation of the power grid has become particularly important, and the requirements for relay protection a...

DSL
DSL

Encoding TechnologyFor example, any technology has its own technical foundation. Encoding technology is the "soul" of xDSL and the foundation of xDSL's existence and development. Understanding it can...

Part Danan
Part Danan

Performing experienceParticipated in the movie "One Cool to the End". Participated in the movie "Elizabethtown". Participated in the movie "The Great Buck Howard". Participate in the movie "TV". Parti...

Field installation of temperature transmitter
Field installation of temperature transmitter

OverviewThe SBW-644 series field-installed temperature transmitter is a two-wire transmitter (that is, a pair of wires is both the power supply line and the signal transmission line). The two-wire dis...

Radio direction finder
Radio direction finder

Development processRadio direction finder appeared in the early 20th century. In the 1920s, radio enthusiasts in the United States used the received radio waves to find the sending station and started...

Radio altimeter
Radio altimeter

InterpretationThe radioaltimeter is an instrument that uses radio waves to determine the altitude of an airplane. When working, the transmitter of the radio altimeter transmits a radio signal to the g...

Bluetooth function RF test system
Bluetooth function RF test system

Technical indicatorsSupport Bluetooth2.1 enhanced data rate measurement and Bluetooth low energy test functions, in line with core specifications 1.2, 2.0, 2.1 and 3.0+HS. Supports 8 basic Bluetooth r...

Radio frequency conduction immunity tester
Radio frequency conduction immunity tester

Technical indicatorsES-608 radio frequency conducted immunity tester system frequency range: 150kHz~300MHow to choose the test method?The selection rules for the test method of conducted disturbance i...

BIOSTAR M7TDR
BIOSTAR M7TDR

Important parametersMain chipset: Intel845CPU socket: Socket423CPU type: Pentium 4Integrated chip: supportMotherboard type: ATX typeMotherboard bus: 400Graphics slot: 4XBiostar M7TDR detailed paramete...

Radio comprehensive tester
Radio comprehensive tester

Main features●Wide frequency range, multiple measurement functions●Multiple modulation functions such as single sideband modulation, pulse modulation and vector modulation●Duplex test function and spe...

atc() function
atc() function

SyntaxATC(cSearchExpression,cExpressionSearched[,nOccurrence])ParametercSearchExpressionSpecify character expression The atc() function will search for this character expression in cExpressi...

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