User's Manual

SPECIFICATIONS SST-442
2
GENERAL
FCC ID
: AIERIT13-442
FCC Rule Parts
: 22, 74, 90, 95
Frequency Range
: 450 to 470 MHz
Max. Freq. Separation
: 10 MHz
RF Channels
: Up to 10 Channels,
Independent TX/RX
frequencies.
Synthesizer Step Size
: 12.5 KHz
Frequency Stability
: +/-2.5 PPM (-30 to +60 C)
TX/RX
Tone/Code Signaling
: CTCSS (Quiet Call)
Digital Coded Squelch
(Digital Quiet Call)
Dimensions
: 4.75”H x 2.2”W x 1.43”D
Weight
: 11.5 oz. with battery pack
Enclosure Material:
Lexan Polycarbonate
Environmental
: Splash resistant and
shock and vibration per
RITRON Drop Test (6 ft.
drop onto concrete on all
six sides)
Antenna Fitting
: 1/4" - 32 x 1/4" threaded
External RF Test Jack
: Antenna connector with
RITRON SST-SRVBD test
device
Earphone Jack
: 3.5 mm, disconnects the
internal speaker for
external earphone,
speaker / microphone, or
headset. Also provides
cable connection for PC
programming.
Microphone/PTT/
2.5 mm, for external
Chg Jack
: speaker/microphone,
headset or RITRON model
BC-A wall charger.
CONTROLS
Push Button Controls
: On/Volume Up, Volume
Down/Off, PTT, Channel
Speaker Beep Indicators:
On/Volume Up: Radio beeps channel
number when turned on,
followed by increasing
audio to adjust volume.
Volume Down/Off: Decreasing audio to adjust
volume, with two tones
when turned off.
Both Volume Buttons: Alternates between Tone
Squelch (single beep) and
Carrier Squelch (two
beeps). If both buttons
are held down until the
radio beeps repeatedly,
squelch will be disabled.
PTT: Programmable for a single
“transmit beep”.
Channel: Number of beeps indicates
channel.
TRANSMITTER
RF Power Output
: 2 Watts @ +7.2 VDC
Wide Mode Narrow Mode
Emission Designator
: 16K0F3E 11K0F3E
Deviation
: +/- 5.00 KHz +/- 2.50 KHz
FM Hum and Noise
: -43 dB -37 dB
Audio Distortion
:< 3 %
Spurious & Harmonics
: -50 dBc
Audio Response
: Meets FCC and EIA
requirements
Time-out Timer
: 60 seconds,
programmable