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  CPM-700 - Countersurveillance Probe/Monitor
printable version of Countersurveillance Probe/Monitor   REI Home  
CPM-700 [Countersurveillance Probe/Monitor]

The CPM-700 is a broadband receiver designed to detect and locate all major types of electronic surveillance devices including room, phone, body bugs, video transmitters, and tape recorders.

Broadband receivers such as the CPM-700 provide a very important cost-effective tool for professional sweep teams, government security personnel, and private citizens with important security needs.

The CPM-700 is very effective for rapidly detecting and locating transmitted signals, while being very easy to learn to use. The CPM-700 sweep kit includes a custom Cordura case that contains all items necessary to conduct a professional sweep.

There are several "imitations" of the CPM-700 on the market because of it's success as a product. While some of these copies may be cheaper, they do not provide the frequency performance and sensitivity of the CPM-700. We guarantee it!

CPM-700 Advantages

Portable Sweep Kit- provides everything needed to perform a professional sweep; fits inside a standard briefcase.

Multi-Functional Utility - Comes with probes to detect RF transmitters (audio and video), carrier current transmitters, and telephone bugs. Probes also available to detect for infrared transmitters, tape recorders, and acoustic leakage.

Wideband Coverage - from 200Hz to over 3GHz with no holes or gaps.

Monitor Mode - after a sweep, the alarm monitor (silent or audible alert) guards against new devices brought in or remote control activation of surveillance devices.

Auxiliary Audio Input - allows user to listen to telephones or lines for "hotmikes," hookswitch by-pass and "infinity" bugs. Unknown wires and cables can be tested for wired microphones.


R.F. Probe:

  • Gain: 20dB nominal Frequency
  • Response: 50kHz-2GHz ±3dB 3GHz-10dB
  • Sensitivity: -62dBm (1 segment) -85dBm M.D.L.

VLF Probe:

  • Frequency Response: 15kHz-1MHz-3dB
  • MAX input voltage: 300 VAC 50-60Hz
  • Isolation: 1500 VAC 60Hz
  • Sensitivity: -38dBm (1 segment) -60 M.D.L.

Audio Amplifier:

  • Input Impedance: 50K Ohm balanced
  • Input Range: 1.7uV-10V (135dB) AGC
  • Dynamic Range: 100dB (high and low gain)
  • Frequency Response:100Hz- 15kHz±3dB (filtered) 500Hz-24dB/octave, 2.5kHz-18dB/octave
  • Headphone Output: 5Vp-p 220  
  • Record Out: 25 mVp-p nominal with AGC


  • LCD bargraph: 18 segment with pulsing single segment trip point
  • 50dB dynamic range (1 segment High Gain to MAX Low Gain)
  • Alert Output: 2.8kHz tone or silent red LED at 2Hz
  • Remote Output: N.O. contact (300mA 25V MAX)


  • 8 ea. MN1500 AA Alkaline - Life 10-16 hrs
  • (Optional) 8 ea. 550mAh NiCad - life 3-5 hrs per charge
  • Low Battery Indicator: approx. 10% remaining power

AC adpter/Charger:

  • Input: 95-l30VAC 50-60Hz, or 200-275VAC 50-60Hz
  • Output: 12VDC with 500mA NiCad Recharge Time: 8-10 hrs

CPM-700 Unit:

  • Size: 9 1/8 x 6 1/8 x 1 3/4 in, 23.2 x 15.6 x 4.4 cm
  • Weight: 39 oz, 1.1 kg

Carry Case with all standard Items:

  • Size: 16 3/8 x 11 1/4 x 3 in, 41.6 x 28.6 x 7.6cm
  • Weight: 7 lbs, 3.18 kg

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Upgrades and Accessories for the Countersurveillance Probe/Monitor
IRP-700 - CPM Infrared Probe
MLP-700 - CPM Magnetic Leakage Probe
ALP-700 - CPM Acoustic Leakage Probe
MPA-700 - Modular Phone Adaptor
CLA-700 - Cigarette Lighter Adaptor
BMP-1200 - CPM Broadband Microwave Probe
CPM Batteries - CPM Batteries

download files for Countersurveillance Probe/MonitorCountersurveillance Probe/Monitor file downloads
download CPM-700 Deluxe FolletoCPM-700_Folleto_Espanol.pdf220 kBCPM-700 Deluxe Folleto
download CPM-700 color brochureCPM_700_Deluxe.pdf500 kBCPM-700 color brochure
download CPM-700 ManualCPM Manual-web.pdf707 kBCPM-700 Manual

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