You only need to buy a SIM card, place it in this device. Once you call this number, it will auto answer, and it is working like a phone with auto answer without speaker. So you can actually hear anyone's talking about you or whatever when you call in that sim card's phone number, but no one will notice, because this device look like a USB hub or a small USB device. But actually it is a spy tool.
We have fully Digital equipped work shop which our engineers are able to make any custom made GSM voice transmitter listening device for special use.A unique super- slim design, place it at home or even in the office, you could listen to the sound of its surrounding wherever you want, it is the latest SIM surveillance equipment.
• Super-sensitive audio surveillance.
• Frequency: 850, 900, 1800, 1900
• Embed four condense microphone
• 24 hour non-stop power supply
• All GSM SIM card compatible
• Microphone range(Meter): 5~7(Radius), 4 levels
• Receive sensitivity: -\+10K
• Working temp: -40~50'C
• Responding frequency: 1.2K~800Khz
• Stand-by time: 7 days
• Working time: 4 hours
• Notification via telephone or message after voice is detected.
Easy to install, and no configuration (just put phone card in)
Work with bands (850MHz, 900MHz, 1800MHz, 1900MHz). Please check if it can work with your local system format before purchase
Size: 2.8 x 1.6 x 0.8 cm . Compact Design
Not suitable for both CDMA and 3G network!
How to use:
• Place the SIM card into the slot with the contact points facing down (according to the pictures indication)
• The flash of red light indicates the SIM card is correctly inserted. SIM spy will completed initialization and maintain in stand-by status
• Dial the SIM card number, you could hear the sound around the SIM card spy
• Charging up the device, Red and Green LED lights ON. When the device is fully charged up, only Red LED lights ON
• Please do not use it to engage any illegal activity
• 1 x GSM SIM Audio Surveilance Device,
• 1 x Charger
• 1 x USB Cable
• 1 x User Manual