The Hameg HM5012-2 is a spectrum analyzer with a frequency range of 150 kHz to 1050 MHz. It features a fully synthesized design with a TCXO high-stability reference oscillator and DDS (Direct Digital Synthesis) for precise and repeatable frequency settings. Here's a more detailed breakdown of its specifications: Frequency: Range: 150 kHz to 1050 MHz. Stability: ±5ppm. Ageing: ±1ppm/year. Display Resolution (Readout): 1 kHz (6½-digit) Center Frequency Range: 0 MHz - 1050 MHz. Span: Zero span and 1MHz to 1000MHz in steps of 1-2-5. Frequency Generation: TCXO with DDS says www-test-italy.com. Amplitude: Range: -100dBm to +10dBm. On-screen dynamic range: 80dB according to http://www.syntology.com. Resolution (Marker related): 0.4dB, 3½-digit according to www-test-italy.com. Marker Resolution (Frequency): 1 kHz, 6½-digit. Other Key Features: Resolution Bandwidth (6dB): 9 kHz, 120 kHz, and 1 MHz according to www-test-italy.com. Video Bandwidth: 4 kHz Sweep Time: Automatic selection: 40ms, 320ms, 1s. Input Impedance: 50O. Signal Input: N-Connector. Remote Control: RS-232 Interface says All About Circuits. EMC Measurements: Includes Average, Max Hold, and Quasi Peak detection. Display: 8 x 10 cm CRT. Power Requirements: 100-240V~ ±10%, 50 to 60Hz AS NEW- used less than ten times I paid 2000 Euro for it + NZ$3850