User's Manual

SPECIFICATIONS SST-442
3
RECEIVER
Wide band Narrow band
Models Models
Modulation Acceptance
: +/- 7.0 KHz +/- 3.75 KHz
Sensitivity:
0.25 µV 0.25 µV
(12 dB SINAD)
Adjacent Channel (EIA):
-60 dB -50 dB
Spurious Rejection
: -60 dB -60 dB
Image Rejection (EIA):
-70 dB -70 dB
Intermodulation (EIA):
-56 dB -57 dB
Noise Squelch
Programmable per
Sensitivity
: channel, factory set for 12
dB SINAD
Frequency Response
: 300 - 3000 Hz, de-
emphasized
Audio Output
1 Watt into 8
Ω
, with less
than 5 % THD @ the
earphone jack
Receiving System
: Dual conversion
superheterodyne
I.F. System
: 1st - 43.65 MHz,
2nd - 450 KHz
L.O. Injection:
Low side
QC/DQC Decode Time:
per EIA Standards
BATTERY
Battery Pack
: +7.2 VDC, 800 mAH
rechargeable NiCd battery
pack standard
+7.2 VDC, 1500 mAH
rechargeable MiMH
battery pack optional
Battery Drain
:
Standby: 52 mA
Sleep: 12 mA
Avg. Standby
with Power Saver: 24 mA
Receive: 125 mA
Transmit: 850 mA @ 2 Watts
Battery Life @ 90/5/5 Duty Cycle with
Standard battery pack (800 mAH):
12.7 Hrs, Battery Saver On
8.4 Hrs, Battery Saver Off
Battery Life @ 90/5/5 Duty Cycle with
High capacity battery pack (1500 mAH):
23.7 Hrs, Battery Saver On
15.7 Hrs, Battery Saver Off