F I E L D F O N E I I U S E R S G U I D E
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Appendix B - Specifications
The following specifications are typical and subject to change without
notice.
Frequency Response:
20 Hz to 10.2 kHz, +0, -3.0 dB @ 33.6 kb/s
Signal-to-Noise Ratio:
84 dB
Distortion:
0.1% THD+N
Data Rates:
33.6, 31.2, 28.8, 26.4, 24.0, 21.6, 19.2, 16.8,
14.4 and 12.0 kb/s
Line input:
Gain –12 to +11 dB nominal, 600
Ω
or >20
k
Ω
selectable, balanced
Mic input:
Gain 26 to 71 dB nominal, balanced, 20 k
Ω
Line output level:
8 dBu nominal, balanced XLR
Headphone output:
+12.5 dBu, 150
Ω
, separate level controls for
Send and Receive audio, mono feed to
stereo connector
Relay Contacts and
Signaling:
4 opto-isolated inputs and 4 dry, floating
SPDT relay or TTL outputs.
Power requirements (AC): 95-250 VAC, 48-62 Hz, <50 Watts
Power requirements (DC): 12 VDC, <4 Amps
Dimensions:
4.5” H
×
11” W
×
13” D
Net weight:
9.4 pounds (4.26 kg)
Shipping weight:
13 pounds (5.9 kg)
Nominal coding delay:
400 milliseconds
Summary of Contents for FieldFone II
Page 1: ...FieldFone II Users Guide ...
