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| H12 Pro Receivers | |||
| Name | Annotation | Name | Annotation |
| RED LED | Red light | 2.4 ANT | Antenna |
| GN LED | Green light | GND | Camera ports |
| Mode Key | Button | VCC | |
| GND | Ground | RX1 | |
| USB 5V | USB for upgrading | TX1 | |
| DM/CH9 | GND | Data transmission/CBUS | |
| DP/CH10 | 5V | ||
| GND | RX2 | ||
| RX3 | TX2 | ||
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