Signal Jammer Manufacturer in Shenzhen, China
BCSK designs and builds RF power amplifiers, signal jammers and drone countermeasure systems in one factory, and has done since 2013. The current catalogue holds 192 in-sale models across 44 categories, from 1 W handheld units to 200 W fixed installations, covering 30 MHz to 6 GHz with an antenna line that reaches 18 GHz.
- 2013
- Factory founded in Longhua, Shenzhen
- 192
- In-sale models in the current catalogue
- 44
- Product categories, modules to finished systems
- 1-200 W
- RF output across standard amplifier stages
- 30 MHz-6 GHz
- Band coverage, antennas to 18 GHz
Why buyers choose BCSK as their signal jammer manufacturer
Most sourcing problems in this category are not about finding a supplier; they are about finding one whose specification survives contact with a real site. Six things decide whether a jammer order ends in a working installation or a return shipment.
Amplifier design stays in-house
We design the GaN and LDMOS amplifier stages, driver boards and control firmware ourselves rather than buying finished boxes and relabelling them. A band change is therefore a filter and impedance-matching question, not a sourcing exercise, and most custom band requests come back as a block diagram and price within two to three working days.
Every unit is swept before packing
Finished units are measured on a spectrum analyser across the stated band, with output power, gain flatness, harmonic suppression and VSWR recorded against the serial number. Amplifiers run a 72-hour burn-in at rated load. A unit that drifts more than 0.5 dB during the thermal run is reworked before shipment, not after a customer complaint.
Five product lines, one engineering team
Power amplifier modules, finished jammers, drone countermeasure systems, jamming antennas and accessories are built in the same facility. When a project needs a 50 W amplifier plus a matching panel antenna plus the DC supply and cable set, the interfaces are already known and the parts arrive as one tested system.
Specified for sites, not showrooms
A large share of our export volume goes to places where ambient temperature sits near 45 degrees Celsius, mains voltage wanders and dust is constant. Heatsink sizing, conformal coating, wide-input DC supplies and connector sealing are chosen for those conditions from the start instead of being retrofitted after field failures.
Export documents that clear customs
Each shipment carries a commercial invoice, packing list, serial-numbered RF test report, country-of-origin statement and, for listed models, a CE declaration of conformity. Buyers forward these to their import agent, which is what keeps a jammer consignment from sitting in a bonded warehouse for weeks.
You talk to the people who build it
Quotations are prepared by sales engineers with access to the schematics, the test bench and the production schedule. Questions about heatsink margin, connector torque or 5G band plans are answered by the same team that will build the order, which shortens the loop between a technical question and a firm answer from roughly a week to a day.
Complete product range
Six lines cover the categories buyers ask for most often. Ranges below describe standard production; custom band plans and power levels are quoted case by case against the same platforms.
| Product line | RF output | Band coverage | Typical deployment | Catalogue |
|---|---|---|---|---|
| Cell phone and venue signal jammers | 2-50 W, to 200 W on fixed installations | 700 MHz to 5.8 GHz, 2G/3G/4G/5G, WiFi, Bluetooth | Exam halls, meeting rooms, prisons, interview rooms | cell phone signal jammers |
| Drone countermeasure systems | 10-50 W per band, multi-band housings | 400 MHz, 900 MHz, 1.2/1.5 GHz, 2.4 GHz, 5.2/5.8 GHz | Airports, prisons, borders, VIP protection convoys | drone jammer systems |
| RF power amplifier modules | 1-200 W continuous, GaN and LDMOS | 30 MHz to 6 GHz, single-band and multi-band boards | OEM system builders, laboratory transmitters, test rigs | RF power amplifier modules |
| Counter-surveillance signal detectors | Receive-only sweep, no transmission | Band plan set per model, audio and RF bug detection | Office sweeps, hotel rooms, boardrooms | signal detectors |
| GPS and GNSS jammers | 1-10 W handheld and vehicle units | L1, L2, L5 with optional 2.4 GHz channel | Convoy protection, asset tracking disruption, privacy | handheld GPS jammer units |
| Jamming antennas and accessories | Passive and active antenna sets | 100 MHz to 18 GHz, omnidirectional and directional | System integration, replacement and spares | jamming antennas |
Not every model is listed publicly. Prison-grade and vehicle-mounted systems are quoted privately because band plans depend on the site survey, and buyers usually prefer not to publish which frequencies are covered.
OEM and ODM from sample to volume
Roughly half of production is built to a customer specification rather than a stock part number. The process is deliberately short, because most of the engineering risk sits in the first two steps.
What can change: band plan, output power, supply voltage from 12 V to 48 V DC, connector type, control interface, housing and labelling, packaging, and the language of the manual and quick-start sheet.
What cannot: a specification the amplifier stage and filter cannot physically support. We would rather decline a band request than ship a unit that measures short of its label.
- 01
Band plan and interface review
You send the frequency ranges, output power, supply voltage, connector type and enclosure size. We confirm which are achievable on an existing board and which need a new filter or matching network.
- 02
Proposal with block diagram
Typically back within two to three working days with a block diagram, thermal estimate, price and lead time. No quotation leaves without a stated output power at a stated ambient temperature.
- 03
Sample build and measurement
Samples are built and measured across the requested band. You receive the sweep data before deciding, so the sample approval is based on numbers rather than a photo.
- 04
Pilot run and packaging
A short pilot run confirms assembly yield and packaging before volume. Labels, manuals, carton printing and accessories are fixed at this stage.
- 05
Volume production and spares
Mass production follows the approved configuration, with spare modules, cables and connectors supplied alongside so a failed patch lead does not take a site offline.
Regional deployment experience
Equipment that works in a Shenzhen workshop does not automatically work in Basra, Novosibirsk or Lagos. These are the five export markets that shaped our current specification, and what changed because of them.
Middle East
Units are specified for ambient temperatures that sit near 45 to 50 degrees Celsius for months, with dust ingress and mains that is not always stable. We size heatsinks for continuous duty at those temperatures, offer 24 V and 28 V DC versions for battery-bank operation, and coat boards for dust and humidity.
Russia and CIS
Winter deployment means starting equipment below minus 20 degrees Celsius and running it on a 220 V supply that can swing well outside nominal. Components are selected for the low end of the temperature range, and AC input stages are specified with a wide operating window so a cold morning does not turn into a service call.
Southeast Asia
Coastal and tropical sites bring 80 to 90 percent relative humidity and salt-laden air. Conformal coating, stainless fasteners and sealed connectors are standard on orders bound for these markets, and housings are checked for condensation paths before shipment.
Africa
Projects often run on generator power, and a replacement part can take weeks to arrive. We supply wide-input supplies with surge protection and ship spare amplifier modules with the main order, so a local technician can swap a module instead of returning a complete system.
South America
Import documentation and voltage differences drive the specification here. Orders are quoted with the test reports and declarations the customs broker will ask for, and 60 Hz compatibility is confirmed before the power stage is fixed.
Quality control and certifications
Production runs under an ISO 9001 quality management system. Listed models ship with a CE declaration of conformity and RoHS statements, and every unit carries its own serial-numbered test record.
Certification is a starting point, not the deliverable. The documents a buyer actually needs at the border are the invoice, packing list, test report and declaration, and those are issued with the shipment rather than on request afterwards.
Frequently asked questions
Are you a signal jammer manufacturer or a trading company?+
We are a manufacturer with a factory in Longhua, Shenzhen, operating since 2013. Amplifier stages, driver boards, control firmware and final assembly are handled in-house, and the catalogue covers 192 in-sale models across 44 categories. Buyers are welcome to visit the facility or request a video walkthrough of the SMT line, the test bench and the burn-in racks.
What is your minimum order quantity?+
Stocked standard models can be ordered as a single unit, which is how most first orders start. Custom band plans, private-label housings and modified interfaces carry their own minimum, set by the PCB, filter and tooling runs involved. That number is quoted with the proposal rather than published as a blanket figure, because it differs sharply between a label change and a new board.
Can you customize frequency bands or output power?+
Band plans can be adjusted within what the amplifier and filter design supports, and output power can be scaled across the module range from 1 W to 200 W. Send the exact ranges and the required power at a stated ambient temperature; we reply with what is achievable directly, what needs a new filter, and what would require a different platform.
Do you supply samples and measured test data?+
Yes. Samples are available for standard models, and each comes with a sweep showing output power across the band, gain flatness, harmonic levels and VSWR. For custom builds the sample data is what you approve before a pilot run, so the acceptance criteria are fixed in numbers before volume production begins.
Which certifications and test records do you provide?+
Production runs under an ISO 9001 quality management system, and listed models are supplied with a CE declaration of conformity alongside RoHS statements. Each unit is tested against its serial number before packing, and the test report, commercial invoice, packing list and country-of-origin statement travel with the shipment for customs clearance.
How long does production and shipping take?+
Stocked models are prepared for dispatch from Shenzhen within days of order confirmation, and custom builds are scheduled from the approved sample. International freight is by air or sea courier depending on volume and destination. The exact date is written into the quotation, and the export documents are issued before the goods leave the factory.
Do you support Russian, Arabic or Spanish documentation?+
Manuals and quick-start sheets are available in English, Russian, Arabic and Chinese, and Spanish is prepared on request for Latin American projects. Technical support replies in English, Russian and Arabic, which covers most of the markets where our systems are deployed, and the same team handles installation questions after delivery.
Who can buy jamming equipment from you?+
Signal jamming is regulated in nearly every country, and we supply authorised buyers such as government agencies, correctional and examination authorities, security integrators and licensed distributors. Orders require a stated end use and, where applicable, an import authorisation. Buyers are responsible for confirming that deployment is lawful in their jurisdiction.
Send your band plan and get a firm specification
Tell us the frequency ranges, output power, supply voltage and where the unit will be installed. You will receive a block diagram, a price and the lead time, plus a straight answer on anything the platform cannot do.
Factory visits in Longhua, Shenzhen are welcome by appointment. Technical questions reach the engineering team and are answered within one business day.
Related pages
- the full signal jammer catalogue — 192 in-sale models with power, band and price for each.
- RF power amplifier modules from 1 W to 200 W — GaN and LDMOS boards for OEM integration.
- drone countermeasure systems — Handheld, backpack and fixed installations.
- the Shenzhen supply chain behind these units — Component sourcing, SMT capacity and export logistics.
- cold-weather drone defence deployment — What changes when ambient drops below minus 20 degrees.
- Middle East signal shielding projects — Heat, dust and DC operation in high-ambient sites.
- anti-drone system manufacturing — Detection, jamming and command integration for UAV defence.
- exam signal jammer selection guide for 2026 — Bands, power by room size, installation and acceptance testing.
- technical support and troubleshooting — Manuals, thermal and VSWR diagnosis, RMA guidance.
- request a quotation — Send a band plan and get a firm answer within a business day.