Vytek Inc PC-US-1 Benutzerhandbuch
OSMAC Base
OSMAC Base
User Manual
Page 40
External keyboard interface........................................................Standard PS/2
Telephone interface ....................................................................RJ-11 female, DTMF signaling
DTMF signaling timing ..............................................................> 40 mS
Telephone interface ....................................................................RJ-11 female, DTMF signaling
DTMF signaling timing ..............................................................> 40 mS
(telco receive mode)
> 100 mS
(radio receive mode)
100 mS
(telco transmit mode)
Alarm/data inputs........................................................................8
RF Section
RX channel spacing ....................................................................12.5kHz (narrowband) or 25kHz (wideband)
models available
Frequency Stability.....................................................................2.5ppm (12.5kHz BW version)
5ppm (25kHz version)
RX Sensitivity..............................................................................0.5uV for 12dB SINAD
0.35uV for 12.5kHz version)
RX Modulation acceptance .......................................................
±
2.5kHz for 12.5kHz versions
±
5kHz for 25kHz version
RX Intermodulation.....................................................................55dB
RX Image and 1/2 if rejection.....................................................55dB
RX Selectivity ..............................................................................55dB (25kHz version)
RX Image and 1/2 if rejection.....................................................55dB
RX Selectivity ..............................................................................55dB (25kHz version)
55dB (12.5kHz version)
TX power output .........................................................................2 or 4 watts nominal,
selected via internal jumper for some versions
and factory programming for others.
and factory programming for others.
FM hum and noise ......................................................................38dB or better
Spurious emissions .....................................................................-52dBc
Modulation...................................................................................Frequency Modulation
Modulation limit ..........................................................................
Spurious emissions .....................................................................-52dBc
Modulation...................................................................................Frequency Modulation
Modulation limit ..........................................................................
±
4.5kHz or
±
2.25kHz, programmable by
channel.
Emission Designators .................................................................16K0F1D, 11K0F1D, 16K0F3E, 11K0F3E
The above specifications are preliminary product specifications, and are subject to change, without notice.
Ordering
6A373
-
⇓
-
⇓
OSMAC Base Communication system
Built-in Transceiver
N
Narrow band transceiver (12.5kHz)
W
Wide-band transceiver (25kHz)
UA
UHF band, 403-416MHz*
UC
UHF band, 450-470MHz
UD
UHF band, 470-480MHz*
E
Encode only, no transceiver
* (For export only, not FCC approved)
For example, a VHF wide-band
O S M A C B a s e
O S M A C B a s e
in the 150-174MHz band is part number 6A373-VB-W.