FOXTECH FPV 2.4G 500mW A/V Transmitter (TX)
Transmitting unit weight: 34.5g
Power input: 12V ± 5%
Transmitting current: 200mA
Channel number: 8-ch
Transmitting distance (air to ground): 1 to 2Km (for reference only, the distance may vary a lot depending on the environments)
Antenna gain: 3db
Video signal resistance: 75Ω
Antenna connection: RP-SMA, jack (module side)   Refer to here for connector type diagram 
Working frequency:

CH1/CH5: 2410/2370MHz
CH2/CH6: 2430/2390MHz
CH3/CH7: 2450/2490MHz
CH4/CH8: 2470/2510MHz

Includes:
1 x transmitter only

* No instruction manual supplied with this product.

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