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Examination Hall Signal Jammer UK Supply – 40m Jamming Range 8 Omni Antennas, UK Compliant, Next-Day Delivery Available Examination Hall Signal Jammer UK Supply – 40m Jamming Range 8 Omni Antennas, UK Compliant, Next-Day Delivery Available

Examination Hall Signal Jammer UK Supply – 40m Jamming Range 8 Omni Antennas, UK Compliant, Next-Day Delivery Available

US$ 82.00 ~ 96.00
Min.Order: 1
Product origin: Shenzhen, Guangdong, China
Category: Electronics
Product Name: Electronics
Availability:In Stock
Product Review : 0 Reviews
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  • Model NO. : GW-JC8
  • Frequency Range : 2g/3G/4G/2.4G/WiFi/GPS etc
  • Frequency : 700/800/850/900/1800/2100/1900/2300/2400/2600/3400
  • Application : Examination Hall
  • Colour : Black
  • Size : 363*137*42mm
  • Jamming Range : up to 40meters, Depend on Signal Strength
  • Antenna : 8 PCS Omni Antennas
  • Trademark : Greetwin
  • Transport Package : Neutral Packing
  • Origin : Shenzhen
  • HS Code : 8517699000

We've put over 600 of these through batch testing, and the consistency between units is tighter than most signal jammers we've handled — each one leaving teh floor with a COA for the 40m range claim.

It's got 8 omni antennas, which basically means no dead spots in the examination hall, but what really matters is that the frequency sweeps are logged per unit, so if your client needs to retest any band, our company can pull the specific test data from that build.

CE certifcation is standard for us, but we also keep a retest policy open for 30 days after dilevery, give or take shipping delays, so if a unit doesn't hit its range spec in your setup, we'll re-check the tuning on our end.

Most buyers go with the 11 pre-calibrated bands covering 700MHz to 3400MHz — 2G, 3G, 4G, WiFi, GPS and the rest — and dual cooling fans let it run 8 hours straight without throttle, even in a closed room (usually a priority for exam halls).

Anyway, ordering with OEM branding takes about 3 weeks or so; neutral packing ships faster, roughly 10 days, but confirm lead time if you're on a tight schedule.

Frequently Asked Questions

What's the MOQ for the GW-JC8 examination hall jammer?

Our standard MOQ is 10 units, but we can work with smaller trial orders for first-time B2B buyers. Just reach out to confirm.

Do you provide the CE certificate and ISO9001 documentation with the shipment?

Yes, the CE certificate and ISO9001 compliance docs are included with every order. We can email you copies before shipping.

How does the 40-meter jamming range hold up in a real exam hall with concrete walls?

The range depends on local signal strength — in open halls with average signals, you'll get the full 40 meters. Concrete walls may reduce it to around 25–30 meters, so we recommend testing on-site.

Can the antenna configuration be customized for a specific frequency band, like 2.4G only?

The 8 omni antennas are fixed for full band coverage out of the box. If you need a custom antenna setup for a single frequency, we can discuss that with our engineering team for bulk orders.

What's the lead time for a standard order of 50 units to Shenzhen port?

Typical lead time is 10–15 working days after payment confirmation, depending on stock. We ship from Shenzhen with neutral packing as standard.

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