Welcome To The

RF and communication

Info Page


  • The two way radio section (a lot of info about Various two way radio)

  • The Trunk Page (everything about various trunking systems (LTR iDEN TETRA SmartNet Edacs etc)

  • The digital comm part (pagers , D-star Tetra APCO 25 NEXEDGE MDT (data terminal listenning etc))

  • The cellular Paragraph (CDMA TDMA AMPS GSM iDEN)

  • Cellular Might be dengerous for your Health ? (or more accurate the effect of RF and magnetic on our body)

  • The Paging Paragraph (Pocsag and more )

  • The RF and Electronics section (df , fresnel Zones , Direct Digital Synthesys SDR Antennas filters and more)

  • Radar paragraph (Include Car Radars)

    InterNetworking Basics (Routing , Bridging protocoles) From CISCO Site
  • Internet Tools (Domain Check , Traceroute and more)
  • Free Services on the Net (sending fax , free dial ups , Free DNS etc)

  • The Wireless lan Paragraph

  • The Spread Spectrum Paragraph

  • Freeq Allocation Paragraph (Various freeq allocation tables)

  • The Rechargeble Battery Paragraph

  • The search place (IC , Patent , FCC-ID ,Files )

  • The Music section (MP3 Midi mode VQF )

  • The PC section (boards info , Drivers etc)

  • Internet Security Page

  • The Operating System Paragraph (Unix , Linux , Windows)

  • Various Recieve programs for Sound cards (packet , PSK , SSTV and more)

  • The CATV (CAble TV) and SATTV (SateliteTV) Page

  • Data Comm paragraph (ISDN , Modem ,Cable Modem xDSL etc)

    Want to know how Global Positioning Satellites (GPS) Work ?
    Another good explain on GPS

  • General Sat page (Weather , comm sats)

  • Broadcast Paragraph (FM stations , SCA Explain and Live Stations on the InterNet)

  • Live Scanners on the InterNet

  • Ham-radio page (Rig pages , Modifications etc)

  • Interactive RF calculators (require Java)

  • The antenna Paragraph

  • Various components online data books

  • Various RF and Networks and comm Magazines

    Interactive Text to speech util

    How various things work (from Engines to smoke detectors)

    2.4GHz FM ATV
    VHF UHF SHF (include 10GHz ) Page
    Yet another one
    MicroWave antenna book (require Acrobat reader)

    Transmission line attenuation chart
    Another Coax catalog



  • WorldMaps (various world maps )

    More To Come...

    Page Manager: Ronen Pinchook - 4Z4ZQ (ronen at ronen.org)

    Back To my Home Page . . .

    Last Update 17-Jan-2009