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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.
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Receiver Section
20 dB Quieting Sensitivity (Local) | 2 µV | |
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 | .... 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 50Ω | +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 | 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.
Service and Repair
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