Check the listing for details. FA-2 Frequency Counter Frequency Meter 11Bit/Sec 10MHz OCXO w/ Power Adapter. Condition: New. Listed at 198.57 USD. Description FA-2 PLUS Frequency Counter Frequency Meter 11Bit/Sec 10MHz OCXO w/ Power Adapter Specifications: - Optional versions: FA-2-6G PLUS/FA-2-12.4G PLUS/FA-2-26.5G PLUS - CH1 frequency range: 1Hz-300MHz - CH1 input impedance: 50 OHM/1M OHM - CH1 input reference sensitivity: 50 OHM, 25mVRMS-2VRMS; 1M OHM, 25mVRMS-10VRMS - CH1 frequency accuracy: 0.1s gate: 0.001Hz at 10M; 1s gate: 0.0001Hz at 10M; 10s gate: 0.00001Hz at 10M - CH1 test speed: 11bit/second at 10Mhz - CH1 power test range: -50DBM to +20DBM，1M-550M at 50 OHM - CH1 power measurement accuracy: 0.5DB at 10MHz - CH1 interface type: BNC - CH2 frequency range: 30MHz-6GHz/200M-12.4G/200M-26.5G - CH2 input impedance: 50 OHM - CH2 frequency accuracy: 0.1s gate: 1Hz at 1GHz; 1s gate: 0.01Hz at 1GHz; 10s gate: 0.001Hz at 1GHz - CH2 input power: -20dBM to +13dBm at 0.5-5G/-20DBM to +13DBM at 0.2-10G - CH2 interface type: SMA - Gate time: 0.1 second/1 second/10 second - Internal reference frequency: 10MHz - Internal reference type: OCXO - Internal frequency standard year aging: 0.5Hz - Internal reference output port power: 4dBm - External reference input power range: 0dBm to +20DBM Operation modes: - CH1 frequency measurement mode - CH1 statistical mode - CH2 frequency measurement mode - CH2 statistical mode Front Panel's Functions: - MODE: Change operation modes - GATE: Gate time selection - RST: restart measurement - PRE: preset - IMP: CH1 input impedance selection (50 OHM/1M OHM) - LPF: CH1 100K LPF ON/OFF - CH1: Channel 1 input - CH2: Channel 2 input Rear Panel's Functions: - 10M REF INPUT: external 10M reference input - 10M REF OUTPU: 10M reference output - USB: USB port - STD ADJ: internal OCXO frequency fine tuning - ON/OFF: switch - 11.7-12.9V MAX 12W: DC socket Other Parameters: - Types of statistical mode data: average, maximum, minimum, peak-to-peak - Power supply: 11.7-12.5V, Start: