SPAM 1000 PWM TRANSMITTER Transmitter Type: AM with high level PWM configuration. Output Power: 1000W ± 0.8dB, Adjustable 250, 500 & 1000W Frequency Range: 520-1800 kHz Frequency Stability: ± 3ppm 0ºC to 40ºC Output Impedance: 50 ohms Maximum VSWR: 1.5:1 Output Connector: Type N Spurious Harmonics: -65dB   AUDIO PERFORMANCE Frequency Response: 30Hz to 10Khz 1Khz reference, no sound filter and 98% modulation Audio Distortion: Better than 1% (THD) at 95% modulation Hum and Noise: -55dB or more below 100% modulation Modulation Capability: 120% positive at 1000W carrier continuous duty cycle Audio Input: 0 dBm (0.66Vp-p) for 100% mod +1.3 dBm (0.76Vp-p) for 120% mod Audio Input Connector: BNC 10K-ohm   AC INPUT Voltage: 200V to 240V AC, 1-phase, 50 Hz or 60 Hz Power Consumption: 1400 W maximum at 1kW, 0% modulation 2000 W maximum at 1kW, 100% modulation   ENVIRONMENTAL Temperature Range: 0ºC to +40ºC Cooling with accelerated air flow   PHYSICAL Dimensions: 20 cm H × 44 cm W × 53 cm D Total depth with handles: 59.5 cm Weight: 20 kg LCD monitoring: Voltage, Current, RF Power, VSWR, PA temp, PS temp, Freq Protection:  VSWR, Current, Voltage, Temperature. Option:  Digital Sound Filter.