SP1010Cigarette SizeAnti-tracking GPS Jammer 200mW Specifications Power supply 12V Currency 200mA Power of signal jamming 200mW Cover area up to 5-20 M Rasdius The impedance of antenna 50 ω Working band L1 system 1575Mhz Operation temperature -15 to + 60°C Size 100(L) x 20(W) x 23(H) mm