Frequency Range 1850 to 1990 MHz, 30 or 50 kHz steps Output Power: 20 W (+43 to 13 dBm) adjustable in 0.1 dB increments Power Level Accuracy: 1 dB (+43 to 13 dBm) VSWR: 1.5:1 maximum Load VSWR Protected: No damage into OPEN/SHORT at all phase angles Over-temperature Protection: Disables itself if PA temperature becomes excessive Power Source: 110 / 220 VAC, 48 to 62 Hz (300 Watts) or 11 to 15 VDC (< 20 A) RF Output Connector: Type N female Dimensions: 17.5 cm x 33 cm x 41 cm (16 1/8" x 13" x 6 7/8") Weight: 12 kg (26 lbs.)