Radio Shack 43-3102 ユーザーズマニュアル
Serv
ice an
d Repair
7
5'48+%'"#0&"4'2#+4
If your intercoms are not performing as they should, take
them to your local RadioShack store for assistance.
Modifying or tampering with the intercom’s internal
components can cause a malfunction and might invalidate its
warranty and void your FCC authorization to operate them.
them to your local RadioShack store for assistance.
Modifying or tampering with the intercom’s internal
components can cause a malfunction and might invalidate its
warranty and void your FCC authorization to operate them.
52'%+(+%#6+105
Receiver Section
20 dB Quieting Sensitivity (Local) ............................................ 2
µ
V
Frequency Accuracy ............................................................. 0 KHz
Image Rejection (12dB SINAD) ............................................. 32 dB
Spurious Rejection (12dB SINAD) ......................................... 40 dB
Channel Selectivity ± 500KHz ............................................... 50 dB
Squelch Threshold ..................................................... 20 dB SINAD
S/N at 1mV input, ± 38KHz deviation (A-weight) (@ROP) .... 60 dB
Distortion at 1K Hz, ± 38K Hz Deviation (@ROP) ..................... 1%
10% THD Output Power .................................................... 500 mW
Current Drain at Reference Output ..................................... 160 mA
Transmitter Section
RF Power Output at 50
Ω
..............................................
+3 dBm
Harmonic and Spurious Radiation Suppression .................... 40 dB
MIC Input Sensitivity (@38 kHz Deviation) .......................... 2.5 mV
AUX Input Sensitivity (@38 kHz Deviation) ........................ 150 mV
Sub Tone Deviation ............................................................. 10 KHz
Call Tone Deviation ............................................................. 35 KHz
Alert Tone Deviation ............................................................ 32 KHz
Total Harmonic Distortion ........................................................... 1%
Current Drain ........................................................................ 55 mA
General Performance
Battery Low Indication ............................................................ 4.0 V
Minimum Operation Voltage (Battery) ..................................... 3.5 V
Operation Range (line of sight) .......................................... 200 feet
Overall Frequency Response (–3 dB Bandwidth) ........ 300 - 10kHz
Current Drain at Standby Mode ............................................ 18 mA
Charging Time for 80% ....................................................... 10 hour
Weather Alarm Input Sensitivity ................................................. 5 V
VOX Sensitivity ..................................................................... 13 mV
Specifications are typical; individual units might vary. Specifications
are subject to change and improvement without notice.
are subject to change and improvement without notice.
43-3102.fm Page 7 Monday, May 13, 2002 10:01 AM