4.9 GHz 5.8 GHz Dual Band 2.5W UAV Video Transmitter with 20 km Range

• Dual-band operation (4.9GHz - 5.8GHz)
• Adjustable output power up to 2500mW
• 64 selectable channels
• Long-range transmission up to 20km
• MMCCX antenna connector
• Supports VTX (IRC Tramp) protocol
• Wide voltage input range (7-36V)

This video transmitter features 5 adjustable power levels (25/400/800/1500/2500 mW). To adjust:

1. Press and hold the button for 6 seconds to enter power adjustment mode
2. Press the button once to cycle through power levels
3. The red indicator (R1) blinks to indicate selected power (1 blink = 25mW, 2 blinks = 400mW, etc.)
4. Wait 5 seconds to save the selected power setting

Frequency Group Selection:

1. Press and hold the button for 2 seconds to enter range grid setting mode
2. Press the button once to cycle through range grids
3. The blue FR indicator blinks to indicate selection (1 blink = range grid A, 2 blinks = range grid B, etc.)
4. Wait 5 seconds to save the selection

Channel Selection:

1. Press the button once to cycle through channels
2. Green indicators (C1/C2/C3) display channel selection
3. Wait 5 seconds to save the channel

For optimal performance at 4.9GHz:

• Select frequency grid O (FR7) - blue indicator blinks 7 times
• Choose channel 2 - first green indicator on
• This corresponds to frequency 4921

Note: Avoid using lower frequency 4884 or frequency grid R (FR8) as the standard antenna is not optimized for these ranges.

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