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gm360
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gm360 [2020/10/25 16:03] (aktuell) pe2kmv angelegt |
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| + | ====== DAPNET Transceiver with Motorola GM360 ====== | ||
| + | ===== Introduction ===== | ||
| + | |||
| + | What is needed for the usage of a Motorola GM360 transceiver | ||
| + | |||
| + | * Motorola GM360 UHF | ||
| + | * Raspberry Pi (no matter what model, How-To is based on a RPi 3B+) | ||
| + | * An original Motorola accessory connector. Alternatively a 20 or 16 pin Dupont connector | ||
| + | * A 3.5mm stereo jack plug | ||
| + | * A 22 uF capacitor | ||
| + | * A generic NPN transistor (i.e. BC547) | ||
| + | * A 470 ohm resistor | ||
| + | |||
| + | |||
| + | {{ :g360_ras_pocsag.jpg?nolink&800 |}} | ||
| + | |||
| + | * Motorola pin 3 is the PTT wire (pulled to GND in case of transmission) | ||
| + | * Motorola pin 5 is the audio signal | ||
| + | * Motorola pin 7 is GND | ||
| + | |||
| + | ===== Miscellaneous settings ===== | ||
| + | |||
| + | * Alsamixer, audio volume 100 | ||
| + | * Unipager audio level 42 | ||
| + | * Unipager 'Inverted' checked | ||
| + | * Unipager TX delay 15 | ||
| + | |||
| + | |||
| + | Thanks to Lutz dh7lk for this contribution | ||
gm360.txt · Zuletzt geändert: 2020/10/25 16:03 von pe2kmv
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