This Model VCS-20A-03BL-70 includes the following:

• VCS-20A-03BL-70 Multi-Party Talk Set 1550nm
• Case
• Charger
• Headset
• FC/PC to FC/PC
• 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