Plantronics CS520 & W720 Resource Page

Wireless Headsets for the Radio Amateur

Ham's Resource Page                              Last Update On: 1/30/2018          

Go UNTETHERED!, Operate Your Station with a Wireless Headset  (PDF file)

CQ Magazine, September 2017 Issue, Written by Jim Millner, WB2REM & Gene Hinkle, K5PA


Note: The W720 Base Unit Uses the Same Radio Connections Shown Below for the CS520, They are interchangeable but the W720 provides much more flexibility as described in these 2 documents:

   #1  CS520 & W720 Cable Adapter Catalog for Various Ham Transceivers  (PDF file)

   #2  CS520 & W720 Part Numbers with Photographs & Sources  (NEW 1/16/2018) (PDF file)

Wireless Remote Control User Manual  (PDF file)

Wireless Push-to-Talk (PTT) Remote Control Wiring Diagram  (PDF file)

Replacing the Headset Battery  (PDF file)

Replacing the Headset Ear Cushion  (PDF file)

CS520 Audio Waveform Latency (Audio Path Time Delay) Measurements  (PDF file)

Plantronics® CS520 User Manual  (Complete User Manual, PDF file, 1.6MBytes)

  -  Headset Controls(Page 15-16 Excerpts)

  -  Base Unit Controls, Including the Auto Answer Switch (Autoconnect)(Page 17-18 Excerpts)

  -  Conferencing Up to 3 Headsets(Page 19 Excerpt)

DECT 6.0 Wikipedia Background Information    A Must Read !       (Web Link)   

DECT Security White Paper  (PDF file) 

DECT 6.0 for the USA Marketplace

    DECT 6.0 technology (versus DECT) was developed for the USA market and meets FCC

    regulatory requirements. Please read the DECT 6.0 Wikipedia Link above for

    clarifications of how this technology has evolved and how it relates to usage

    in other countries.


    This resource page applys to DECT 6.0 for the USA. Validity to pure DECT

    technology for other countries is open to experimentation by the amatuer operator.


    Non-USA Amateurs should refer to the CS520 Part Numbers with Photographs and 

    Sources document for some additional insight.


Do It Yourself (DIY) Projects

#1 How to Connect CS520 to Cell Phones or Tablets  (PDF file)

#2 How to Connect to 1/8" Phone Plugs  (PDF file) 

       Connections to Computers, Sound Cards, ORB Control Device (RemoteHams)

More to come...

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