-25mW can be used license-free in Europe (and is CE certified) -SMA female antenna connector. -Frequencies: 5740, 5760, 5780, 5800, 5820, 5840, 5860MHz -Onboard quiet switching regulator, powers 5V cameras -Input voltage range: 6 - 25V (2S-6S) -Not affected by 2.4GHz R/C radios!..