The CMA-100 (Professional detection device)

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The CMA-100 (Professional detection device)

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This Countermeasures amplifier (CMA-100) is a professional detection device used for electronic counter surveillance purposes. This high-gain audio amplifier detects and identifies certain types of surveillance devices attached to building wiring, such as telephone wiring, LAN and server systems, AC Power, Alarm wire and more.



The CMA-100 Countermeasure Audio Amplifier is useful to detect eavesdropping devices and hostile microphones or to test for hook switch audio leakage in order to keep your private information and conversations safe.





Or order by phone: 1.888.779.8766

FEATURES:

The CMA-100 has a balanced input impedance of 50K ohm, can withstand being attached to live power lines with voltages up to 250V, and provides up to 115dB of gain.

Additionally, the CMA-100 utilizes a unique AGC that has 105 dB of control. Signals as large as 31V peak-peak can still be monitored with minimal distortions. Manual gain control can be set to 0, 25, 50, 75, or 100 dB.Filters can be positioned to FLAT, LOW PASS, HIGH PASS, or BAND PASS.

The CMA-100 (Professional detection device) specifications
 
Audio Amplifier
Input Impedance 50k Balanced
Broadband microwave probe
Frequency Response 25 Hz to 44Khz
Power
Battery 9V alkaline ( 5 - 30 Hrs typical run time )
Audio output Headphone
Band Pass Filter 320Hz to 3.2kHz
Bias Control ( over current protected, input impedance is reduced to 3.6k ohms when bias is active )
Common Mode Rejection >75dB
Digital Voltmeter 3.5 Digit, auto zero, auto polarity, +/-199.9V AC/DC
Headphone Gain Control 0 to 15 dB
High Pass Filter 320Hz to 44kHz
Leakage Resistance to Case >10M
LED Power On/Low Battery ( LED off @ 6.0V )
Line-Out Audio Output 600
Low Pass Filter 25Hz to 3.2kHz
Manual Gain Control 0, 25, 50, 75, 100 dB
Maximum Input voltage 250V AC/DC
Maximum System Gain 115 dB manual mode, 120 dB in Auto Mode
Maximum Usable Input 31V p-p
Preamp Auto attenuator ( with overload warning LED )
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