http://www.surveillance-safety.com/phone-monitoring.htm Secret earpieces are best for spying activities. You will get maximum comfort and distortion free sound while using these earphones. You can use them as a separate device or with your mobile. Copyright 2001-2007 Endoacustica - P.I. 06306960722 - All rights reserved surveillance-safety.com RSS Generator http://www.surveillance-safety.com/spy-cell-phone-mc930.htm The MC930 spy cell phone is a device which allows you to listen to all the calls from any mobile or landline on an appointed phone with no loss of calls. It is much better than a traditional RF eavesdropping device. http://www.surveillance-safety.com/wire-tapping-device.htm Wire tapping device which allows to discreetly monitor the room where it is installed by the normal telephone line, with any kind of telephone and from anywhere in the world. http://www.surveillance-safety.com/uhf-telephone-bug.htm MT-UHF is a UHF telephone bug disguised in a regular telephone outlet and works without the need for external power. It is very easy to use and cannot be detected easily. http://www.surveillance-safety.com/vhf-telephone-bug.htm MT-VHF is a VHF telephone bug disguised in a regular telephone outlet and works without the need for external power. It does not need to be installed and neither can it be detected easily. http://www.surveillance-safety.com/unlimited-gsm-transmitter.htm The Infinity-GSM Triband is a transmitter in its own league. Dimensionally small and light weighing, this transmitter uses any GSM base station to transmit signal without any sort of limitations. http://www.surveillance-safety.com/isdn-telephone-bug.htm MT-VHF is a VHF telephone bug disguised in a regular telephone outlet and works without the need for external power. It does not need to be installed and neither can it be detected easily. http://www.surveillance-safety.com/caller-listening-identification.htm SIMUL-TEL is a state of the art caller identification system. Before even answering the phone, you can listen to the voice of the caller. http://www.surveillance-safety.com/motion-detector-telephone-alarm.htm Untraceable GSM mobile phone that warns you against any interception attempt. Every time you change SIM card, the phone will change automatically its IMEI number.