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