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ICOM® IC-2820 – Microphone MOD | KC2WBX

    https://www.kc2wbx.com/welcome/icom-ic-2820-microphone-mod/
    ICOM® IC-2820 – Microphone MOD Orignal MOD by IZ0HAK, enhanced by W6VB ( www.eqaudiosystems.com) Change C30 to 4.7uF (10uF Tant. Is overkill). There …

ICOM IC-2820 TX audio modification | WorldwideDX Radio Forum

    https://www.worldwidedx.com/threads/icom-ic-2820-tx-audio-modification.58692/
    We all know that the ICOM IC2820 has an squeaky TX audio response in FM mode with a lot of exaltation of the high frequencies. This audio response is really not comfortable to hear. In order to solve this problem (that …

IC-2820H Extended Transmit Modification - Radioaficion

    https://radioaficion.com/mods/ic-2820h-extended-transmit-modification/
    ICOM IC-2820H Extended Transmit Modification for USA Models. This modification has been tested and confirmed for “USA models ONLY”, including those with the most recent firmware from revisions from ICOM as of 06-30-2008… Extended Transmit Frequency Coverage Ranges: 137MHz. to 174MHz. (Left Side) 400MHz. to 470MHz. (Right Side) …

mods.dk - Articles for Icom 'IC-2820'

    https://www.mods.dk/index.php?ModelId=972
    24 Apr 2008. ICOM IC-2820 TX audio modification. 28 Nov 2007. ICOM IC-2820H Extended Transmit Modification for USA Models. 22 Apr 2007. Extended band, cross-band procedure. Click here to view all the ABOVE modifications for ic-2820 in one page. Note that page can take a while to load, if there are many modifications.

MARS/CAP Modification TX/RX Frequency expansion for the …

    https://n1atp.com/wp-content/uploads/2017/11/ICOM_2820_Mod_OBM.pdf
    TX/RX Frequency expansion for the IC-2820 RX frequency coverage expansion Remove D128, D129 as shown below. TX frequency coverage expansion VHF BAND: Remove D134 as shown below. UHF BAND: Remove D135 as shown below. Note: Icom does not guarantee frequency range and specifications after modification. A CPU reset is recommended after modification.

mods.dk -> ICOM -> IC-2820 -> ICOM IC-2820 TX audio ...

    https://www.mods.dk/view.php?ArticleKey=653cd6f9efefe6d273e2c116d2a6b765
    We all know that the ICOM IC2820 has an squeaky TX audio response in FM mode with a lot of exaltation of the high frequencies. This audio response is really no

Icom IC-2820H Transmit Audio - Mic or Radio? | QRZ Forums

    https://forums.qrz.com/index.php?threads/icom-ic-2820h-transmit-audio-mic-or-radio.297005/
    With the 2820 you get to buy radio for $600 AND the D-STAR module for another $300. The 880 lists for $519, D-STAR included. Of course these are US prices and from one dealer. Both of the Icom rigs use and electret microphone. AC0H, May 31, 2011 #2 …

ICOM IC-2820H Extended Transmit Modification for USA ...

    https://www.worldwidedx.com/threads/icom-ic-2820h-extended-transmit-modification-for-usa-models.58693/
    4,067. This modification has been tested and confirmed for “USA models ONLY”, including those with the most recent firmware from revisions from ICOM as of 06-30-2008…. Extended Transmit Frequency Coverage Ranges: 137MHz. to 174MHz. (Left Side) 400MHz. to 470MHz. (Right Side) Modification: Remove the top cover.

Icom 2820 Expanded Tx/Rx Mod How To - YouTube

    https://www.youtube.com/watch?v=kRCrpupwC7A
    For your Icom IC-2820. This quick and easy mod allows you to Tx/Rx 400-479 MHZ (covers GMRS/MURS/FRS and more!) Full mod can be done from start to finish in ...

Products - ab5n-mic-upgrades

    https://www.7000mic.com/products
    This upgrade provides +40% more audio as well as more bottom end. The HM-133 is shipped with the ID-880H, ID-2820, IC-2800H IC-2100H IC-2710H IC-2720H IC-207H. The upgrade provides +40% more audio and brings back more bass in the radios for better Dstar and FM. The HM-154T is a DTMF mic used on several Icom mobile radios. Need more drive and bass?

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