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Listening Device 2 way Extension Lead


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GSM Extension Lead


  • Wireless GSM sim card global listening device and TF card sound recorder hidden inside fully functional 4 gang (4 way) 1 metre extension lead.
  • Supplied with UK ‘Pay As You Go’ sim card ready to operate. Free to use as listening device with no need to add credit on sim. Sound activated call back and built in sound recorder features require credit on sim to operate.
  • Enhanced microphone filters out background noise, Radio and TV sound and focus’s on human voice to provide the best possible audio in most situations.
  • Fitted with high gain GSM antenna to ensure reception in all area’s and avoids dropping out during call. Operate indefinitely for as long as required without the need to charge battery.
  • UK Telephone customer support and supplied with everything you need to operate with no hidden surprises or extra costs involved.
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  • A brilliantly bespoke camouflaged audio spy bug transmitter & sound recorder in 4 gang 1 metre extension lead.
  • It is fully functional & operates just like an ordinary lead.
  • Fitted inside is an advanced GSM listening device that allows you to listen in from any phone.
  • The range is unlimited & powered by AC mains to operate indefinitely without need to charge battery.
  • This is legal to use and completely free to operate as listening device only.
  • Supplied & fitted with Pay As You Go sim card ready to use.
  • Simply plug into wall socket & call from your phone. No need to install sim card & no setting up required.
  • You can call & listen whenever required or use sound activated “call back” mode that calls you when sound is heard.
  • Automatically calls you when sound above 40db is heard. This feature requires credit on sim card. The sound recorder requires a MicroSD memory card and not included.
  • A small screwdriver is required to open socket to install card. Totally covert, discreet & completely silent to operate with no flashing lights or sounds.
  • All models are bespoke design made in UK by GB Spy Shop with every attention to detail.
  • Fitted with latest quad band GSM module that is reliable and works in UK.
  • These are genuine UK approved Master plug extension leads and all parts are made with high quality components.
  • This provides best performance at all times in all locations of UK. Master plug 4 Gang (4 Way) 1 metre extension lead Supplied with FREE pay as you go SIM card Sound monitor range: Approx 5-10 metre (radius) Excellent sound quality and constant reception Quad band GSM mobile cell phone technology Quad band frequency: 850 / 900 / 1800 / 1900mHz High gain +5dbi dipole antenna.
  • Enhanced hidden microphone Sound activation call back Power: 230v AC mains operated Operating time: Indefinitely (24hr/365days) Working temperature: – 40º to +50º Deg.C Works with Micro/Nano SIM cards with adapter Sound activation level 40db (non adjustable)


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