... boat, etc.6)Improve the receive signal of wireless device7)Can stick to car window, roof, windscreen,etc ... 3)Currency: 60mA ~ 100mA4)Gain: 30dB.5)Cable length: 4.5Mx1.6)Output Impedance: 75 Ω.7)Operating Temperature ... china supplier’s price is much cheaper for the similar item with the same design, software, function, material as ...