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GM300 Information Page - Repeater Builder
https://www.repeater-builder.com/motorola/maxtrac/gm300-info.html
The GM300 audio amplifier drives both sides of the loudspeaker. Therefore you must NOT ground either pin 1 or pin 16 of the accessory connector. You must run two wires to an external speaker. The same circuit design and …
Motorola GM300 Information Page
https://qrzcq.com/pub/RADIO_MANUALS/MOTOROLA/MOTOROLA--GM-300%20Information%20Page.pdf
The GM300 audio amplifier drives both sides of the loudspeaker. Therefore you must NOT ground either pin 1 or pin 16 of the accessory connector. You must run …
GM300/M120 - BatLabs
http://batlabs.com/gm300.html
9600 Baud Packet Modifications. The GM300 Series are 9600 baud packet capable. They do need a minor modification though. For RX, its no big deal, just take RX audio from PIN 11 of the Accessory Connector and swing JU551 to the (A) position (Flat RX Unmuted).. For TX audio, you will have to run a jumper to the junction of R223, C228, R222 on the RF board to inject the data …
GM300 audio issues | RadioReference.com Forums
https://forums.radioreference.com/threads/gm300-audio-issues.206396/
I have just installed a GM300 in my 2004 Chevy pickup. When the vehicle is off and the radio is powered up the rx audio is fine. But, when the vehicle is started and running, the rx audio becomes distorted and I am unable to understand what is recieved. Anyone know what the problem could be...
GM300 repair with 2 more defects|Gm300 no audio - …
https://www.youtube.com/watch?v=VO5E5rNU22Y
Repairing GM300 with 2 more defectsNo displayNo Receive audioMalfunction Volume Ctrl.Troubleshooting with step by step tutorial#GM300 Repair#Motorola GM300#R...
Redragon GM300 Gaming Stream Microphone – REDRAGON ZONE
https://www.redragonzone.com/products/redragon-gm300-gaming-stream-microphone
1. Patented cool design, full metal made, support circle LED in custom colour. 2. One button, support Volume control & Mute. 3. High-end mic unit, Cardioid, pick up sound from front and both sides, minimize sound from backside. 4. USB plug cable, with USB-B to USB-A connectors, durable and compatible with all desktop computers and laptops. 5.
GM300 DStar/digital audio connection - YouTube
https://www.youtube.com/watch?v=-VeMhdR7J_4
This is where you have to connect your audio output (TX audio) to use with digital modulation
dbE acoustics
GM300. Multi Platform Gaming Headset GM160. Scroll. We Put That Value To All Our Product Starting From Gaming Headsets, Audio Headphone, Earphone And Portable Speakers. We started dbE Acoustics in 2010. The main reason for us to build dbE is to provide a high quality product with reasonable price. We do not aim to sell our produt at cheapest ...
Radio Connections - AllStarLink Wiki
https://wiki.allstarlink.org/wiki/Radio_Connections
All about GM300 Radios. Connections are fairly simple but can be hard to determine which is the correct one to use. This link is a good place to start. Kenwood TMG707A. Cable Adapter Card for TMG 707A. TKR720/820. Connections to: PTT, COS, RX audio out and MIC audio in TX/RX board, MIC audio input, pins 4 & 5: floating ground, must not tie to ...
Motorola MaxTrac / Radius / GM300 Index Page
https://www.repeater-builder.com/motorola/maxtrac/maxtrac-index.html
This is a 2-channel Radius GM300 that uses the 8-channel masked logic board. The manual includes revisions MMR-077, MMR-100, and MMR-104. Radius (GM300) M130 User Manual 6880903Z64 1.29 MB PDF file Radius (GM300) M130 Service Manual 6880903Z65, about $30. This is a 2-channel Radius GM300 that uses the 16-channel expanded logic board.
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