etsi - producing globally applicable standards for ict-enabled systems, applications & services deployed across all sectors of industry and society. made in europe for global use.

the international telecommunication union (itu) is the united nations specialized agency for information and communication technologies – icts.

rf wireless world site covers resources and vendors in rf and wireless domain covering wlan,wimax,satellite,microwave,zigbee,bluetooth,lte,lte advanced,gsm,td-scdma,gps,cdma,wcdma,gprs,edge,umts,5g nr,lightwave rf,z-wave etc. based on ieee 802.11, 802.15, 802.16 and 3gpp.

1988년에 설립된 국내 유일의 정보통신 단체표준 제정기관이며 표준화 활동 및 표준 제품의 시험인증을 위해 만들어진 단체

everything rf is the leading source of information for the rf & microwave industry. the website provides the latest industry news, information on new products, upcoming events, technical articles, white papers, and a parametric component search tool.

the ieee communications society is a global community of engineers, practitioners and academics working together to advance communications technology for the betterment of humanity.

everything dsp: forums (including comp.dsp), blogs, whitepapers, business directory, free pdf downloads, code snippets, etc.

audio engineering society home - the audio engineering society is the only professional society devoted exclusively to audio technology.

now incorporating the best of radio-electronics.com, electronics notes offers basic radio & electronics tutorials to learn electronics online as well as practical construction techniques and technology history

wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the wikimedia foundation.