Covert telephone surveillance

Covert telephone surveillance systems let you capture telephone conversations that you can playback later. These systems are ideal for investigative journalism, law enforcement, home and office covert monitoring. GSM digital cellular phone interceptor, Tele monitor, VHF telephone transmitter, Acoustical jammer, 8 hours telephone recorder and 6 hour mini telephone recorder are some of the covert telephone surveillance systems, widely used by people all over the world.

GSM digital cellular phone interceptor:

GSM cellular phone interceptor is the most sophisticated covert system that is specially designed to intercept GSM cellular traffic. You can monitor conversations and record them to voice and data logger for the purpose of storage and retrieval. It has a portable cabinet with keyboard and LCD monitor.

Tele monitor 2000:

Tele monitor 2000 is an effective covert telephone surveillance system that is packed with plenty of useful features.

This device lets you discreetly listen via regular telephone lines in your home or office from any telephone in the world.
It does not affect the normal functioning of telephone.
You can connect up to four units per line.
It has a sensitive microphone that lets you hear even whisper sounds clearly.
You can connect the modular plugs in Tele monitor to telephone jacks almost instantly.
In order to monitor, you just need to dial the phone number from any telephone number.

You need to remember that this system cannot be used to listen to a telephone conversation. You can dial the unit to listen to a conversation in the room in which the unit is kept.

8 hours telephone recorder:

This system starts recording automatically when anyone picks up the telephone receiver and stops automatically when the conversation ends. You can plug it to any standard wall telephone jack. It records conversations silently for eight hours. It is available in the size of the normal walkman cassette player and it uses standard tape cassettes and rechargeable batteries.

6 hours mini telephone recorder:

This is an excellent covert telephone surveillance system that records automatically when a person picks up the telephone receiver. It stops automatically when the conversation comes to an end. It requires AA batteries to perform.