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Two-Tone
Sequential
NC201 | NC221
| NC201
Two-Tone Decoder |
The
Model NC201 is a high stability, Two-Tone Sequential Decoder
used primarily for selective calling system. Subminiature
in size, it is ideal for use in portable radios as well
as applications where there is limited space. There are
two versions: The NC201-A for high speed formats (800Hz
- 3000Hz) such as Reach and Plectron, and the NC201-B for
slow speed formats (280Hz - 1400Hz) such as Motorola "Quick
Call II", G.E. "Type 99" and RCA's "1
+ 1".
FEATURES:
Size: 0.825"W x 1.63"L x 0.26"H
- Double
sided adhesive mount - no need for mounting hardware
- Field
tunable over its frequency range
- Immunity
to RF
- Low
current drain
- Leaded
14 pin cable assembly
- High
stability to prevent drift or falsing
- Selectable
high or low input for Monitor/Reset functions
- Selectable
high or low, sink or source latched output for squelch control
- Wide
dynamic input signal range (no level to adjust)
- PTT
input function
- Momentary
output
- Operating
voltage 5.5VDC to 24VDC
- Voltage
regulated circuitry
For
complete details see the NC201
Manual
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| NC221
Comm Call™ Mobile Dash Mount Two-Tone Sequential Decoder |
The
Model NC221 is a miniature mobile dash-mount two-tone sequential
decoder designed for selective calling of fleet dispatched
vehicles. The NC221 features tone "A" or tone
"B" group calling, busy lock-out, relayed momentary
output for horn control, transmit time-out timer and microphone
hang-up monitor/reset. The NC221 is enclosed in a smartly
styled high impact plastic enclosure, providing front panel
membrane switching with panel illumination of call, horn
and monitor control functions.
FEATURES:
Size: 2.4"W x 3.8"L x 0.925"H
- Field
tunable over its frequency range:
- Model
NC221-A=800 - 3000Hz
- Model
NC221-B=280 - 1400Hz
- High
stability filters to prevent frequency drift or falsing
- Momentary
output (Horn) via 1 Amp @ 60VDC single form "C"
relay
- Pulsating
tone alert
For
complete details see the NC221
Manual
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