This Model VCS-20A-03BL-89 includes the following:

•     VCS-20A-03BL-89 Multi-Party Talk Set 1550nm
•     Case
•     Charger
•     Headset
•     FC/PC to FC/PC Cable
•     FC/PC to SC Cable

    FEATURES:

•     Full-duplex talk set over one fiber
•     Stable light source for attenuation testing
•     2 kHz active fiber generator / optical tone generator
•     Full digital voice communication

    SPECIFICATIONS:

•     Wavelength: 1550 nm ±15
•     Spectral width: 5 nm
•     Emitter type: laser
•     Optimum fiber type: 9/125 µm
•     Distance range (approx.): 120 km
•     Dynamic range (typical): 9/125 µm: 38 dB 50/125 µm: 23 dB 62/125 µm: 21 dB
•     Power output (typical): -5 dB
•     Stability (typical): 1 hour: ±0.05 dB 24 hours: ±0.15 dB
•     Operating temperature +15°F to +104°F
•     Humidity 0-95% non-condensing
•     With built-in Ni-Cads: 10 hours typical from full charge
•     With 9 VDC alkalines: 8 hours of operation automatic transfer to alkalines when Ni-Cads are running low
•     With 12 VDC charger: continuous operation