Reference: 14908

GSM listening device in wall socket

Review(s): 3
GSM listening device discreetly integrated into a 220V wall socket. Live audio transmission over the mobile network – independent of distance. Designed for permanent acoustic monitoring of indoor spaces with existing mains power supply. Very good audio performance even during long-term continuous operation. The discreet design as a permanently installed...
€205.17
In stock

Reference: 14104

POWER long-term GSM listening device

Review(s): 2
Powerful GSM listening device for longer surveillance periods. Live audio transmission over the mobile network – regardless of distance. Equipped with a lithium battery with 10,000 mAh capacity. Long standby time of up to 100 days. In active listening mode, operating times of up to 50 days are possible. Sensitive microphone with a low-noise recording...
€170.75
In stock

Reference: 24043

IP-HD spycam in socket adapter, 2xUSB

Review(s): 1
WIFI camera with full HD resolution disguised as a USB socket adapter. Video recording, photo capture, pure audio recording. Motion detection range: 6 meters. Night vision capable up to 5 meters. Storage: MicroSD/TF up to 128 GB. 24-hour continuous recording in loop mode. Operating time: unlimited + push notification! Worldwide access - anytime and...
€263.25
In stock

Reference: 15329

Remotely controllable GSM spy recorder

Review(s): 0
Remotely controllable voice recorder with control via SMS command. Audio recordings can be started and controlled remotely via the mobile network. Supports micro SD cards with a capacity of up to 32 GB. With a 32 GB memory card, recordings of up to 384 hours are possible. The recording function can be specifically turned on or off as needed. Please...
€157.67
In stock

Reference: 14904

GSM listening device in USB stick

Review(s): 3
GSM listening device discreetly integrated into a standard USB stick. Live audio transmission over the mobile network – independent of distance. Designed for discreet acoustic monitoring of indoor spaces. Very good audio performance even during long-term operation. The compact USB stick design allows for particularly discreet placement. Suitable for...
€197.52
In stock

Reference: 14903

GSM listening device in USB phone charging cable

Review(s): 2
GSM listening device discreetly integrated into a fully functional phone charging cable. Live audio transmission over the mobile network – independent of distance. Designed for discreet acoustic monitoring of indoor spaces with existing power supply. Very good audio performance even in long-term continuous operation. The disguise as an everyday charging...
All best sellers
Telephone audio surveillance

Telephone audio surveillance

Telephone surveillance – possibilities for monitoring telephone conversations

Telephone surveillance still plays an important role in many areas. Regardless of whether it is analog connections, ISDN, or modern VOIP systems , telephone conversations are often perceived as particularly confidential. Accordingly, the requirements for the technology used are high if conversations are to be reliably captured or recorded.

Why telephone conversations pose special requirements

Phone calls differ from other forms of communication due to their directness and spontaneity. Especially in private or business environments, information is often exchanged unfiltered. For reliable Telephone surveillance it is therefore crucial that the technology works stably and the call quality is fully captured – regardless of the telephone system used.

Connections and systems – analog, ISDN, or VOIP

Depending on the infrastructure, the technical approaches also differ. With traditional telephone connections, different solutions are available than with IP-based telephony. Especially with VOIP phones and routers with integrated telephone functions, compatibility and system support play a central role. Therefore, it is sensible to compare the available solutions before deciding on a particular system.

Technical solutions for telephone tapping devices

As telephone tapping devices different technical concepts are used. These include digital telephone recorders for recordings, PC-based solutions with long-term recording, as well as radio or GSM-based systems for location-independent monitoring. Which solution is suitable depends on the type of connection, duration of use, and desired access possibility.

Select telephone tapping devices – technology suitable for the infrastructure

When purchasing telephone tapping devices it is crucial to realistically assess the telephone technology used and your own requirements:

  • ✔ Systeme für analoge, ISDN- und VOIP-Telefonie
  • ✔ Digitale Recorder sowie Funk- und GSM-Lösungen
  • ✔ Zuverlässige Technik mit transparenter Funktion
  • ✔ Diskreter Versand und persönliche Beratung

Compare telephone tapping devices and select the appropriate solution – abgestimmt auf Anschlussart, Einsatzbereich und gewünschte Funktion.

Decision aid: Which solution fits your telephone system?

Not every telephone tapping solution works with every connection. Especially with VOIP systems, many classic solutions are unsuitable. Compatibility, access possibility, and stability in continuous operation are crucial - not general manufacturer specifications.

Technical note:
With VOIP telephony, it is not the tapping device that matters, but the router and signal routing. Without appropriate system support, many solutions are ineffective.

Active filters

Reference: 12229

Call blocker for landline phones

Review(s): 0
Call blocker against unwanted telemarketing calls, against unwanted calls, call center calls, against unwanted spam calls, annoying phone harassment, etc. One-button operation, 5 brightness levels. Easy to use: easy to connect (2 minutes). Perfect for elderly people, companies, etc. 1500-number capacity! Works with all landline phones!
€104.49
In stock

Follow us on Facebook