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2.4
System Specifications
2.4.1
General
Frequency Range
Number of ElF Channels
ElF Channel Spacing
PLL Channel Step
Input Voltage
Fuse
Power Consumption
Duty Cycle
Temperature Range
Dimensions (H x W x D)
Weight
2.4.2
Receiver
RF Input Impedance
Sensitivity, EIA 12 dB SINAD
Squelch Sensitivity
Modulation Acceptance
Selectivity
lntermodulation
Spurious and Image Rejection
Audio Power Output
Frequency Stability
2.4.3
Transmit
RF Power Output (adjustable)
RF Output Impedance
Spurious and Harmonics
Direct FM Modulation
FM Noise
Microphone Impedance
Audio Distortion
Frequency Stability
Hang Time
Attack Time
© 2004 Bosch Security Systems
450 to 470 MHz (others available)
1
12.5 kHz
12.5 kHz
120/220 VAC, 50/60 Hz and/or
13.8 VDC Backup/Primary
3 Amp for 120 VAC
1.6 Amp for 220 VAC
10 Amp for 13.8 VDC
200 Watts Max
50% at 20 W output
100% at 5 W output
-22°F to +140°F
(-30°C to +60°C)
4.7 in. x 13 in. x 15 in.
(120 mm x 330 mm x 383 mm)
29 lbs (13 kg) (without duplexer)
50 Ω
0.35 µV
8 db SINAD
±5 kHz
-80 dB
-75 dB
-85 dB
4W at 4 Ω less than 5% distortion
+0.00025% from -22°F to +140°F (-30°C to +60°C)
Without Duplexer
With Duplexer Installed
50 Ω
-70 dB
+2.5 kHz for 100% at 1000 Hz
-50 dB
Low Impedance (<1000 Ω)
Less than 3% at 1000 Hz
+0.00025% from -22°F to +140°F (-30°C to +60°C)
Variable 1-256 mS
3 or 5 bytes, 25 or 42 mS
SC720/SC820 Operation and Installation Guide
Page 9
SC720/SC820
Overview
2W to 25W
2W to 20W
90007-201C
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