A bugging device is pretty straightforward. All you have to do is insert an activated GSM SIM card in the device and place it discreetly in the room where you want to listen in on conversations. The spy listening device will automatically place a call on your phone when people are talking nearby and you will have full access to the conversation. You can easily control the device through text message-based commands.

In conclusion, the perfect long-range listening device exists for everyone, depending on specific needs and budget. The key lies in identifying your requirements and selecting the right product accordingly. For anyone that enjoys nature watching or bird watching, adding some audio makes the experience more satisfying.The HAUSBELL Listener is available in two sizes – small and large. The small version is ideal for younger children while the larger model is suitable for older children. Both models come with a carrying case and a cleaning cloth. Because the dish is smaller, you sacrifice some range. The Bionic Ear is limited to 100 yards. This is excellent range overall, but it lags behind the Detect Ear.

We can modify each unit according to your needs, for our customers, we offer custom batteries or antennas depending on the environment they are working in.

For older children and even teens, building a parabolic microphone can be a fun activity or science project of sorts. The concept of a parabolic mic is simple, with a large dish used to focus and magnify distant sounds. There are a number of guides that can be found which explain methods of building your own parabolic microphone to use as a long range listening device.