Professional 44W Output 12 Antennas Handheld Signal Jammer Jams 5g/4G/WiFi/GPS/UHF/VHF Portable Mobile Phone Jammer from SZ Vodasafe
The J12Pro, a flagship product under the SZ Vodasafe brand, is a cutting-edge handheld signal jammer engineered to deliver exceptional performance in blocking a wide range of wireless signals. With its 12-antenna design and high total output power of 44 watts, it stands out as a reliable solution for scenarios requiring silence, confidentiality, and information security-embodying SZ Vodasafe's commitment to quality and technological innovation. Crafted in a sleek black color, this jammer combines portability with powerful functionality, making it suitable for both indoor and outdoor use. It can effectively disrupt signals for various devices, including Android phones, Tablets, Smart Phones, iPhones, and Win phones, ensuring seamless signal blocking across multiple frequency bands-consistent with SZ Vodasafe's standard of comprehensive wireless interference solutions.

Specification:
| Brand |
SZ Vodasafe |
| Model |
J12Pro |
| Color |
Black |
| Jamming Signals |
Full Bands Mobile Phone (5G/4G/3G/2G) + WiFi (2.4G/5G) + GPS + LOJACK + Walkie-Talkie (UHF/VHF) + LORA + CDMA 450MHz |
| Output Power |
Total 44W; 2-5W per band, equipped with 2.5dbi gain omni antennas |
| Jamming Radius |
2-60 meters (varies depending on the strength of the signal in the given area; operates at -75dBm) |
| Power Supply |
AC power: 110-240V AC converted to 28V DC (50-60Hz adapter)
Car charging: Additional Car Charger (converts 12V DC to 28V DC)
Built-in battery: 25.2V/5200mAh |
| Working Time |
Around 60 minutes of continuous operation with the built-in battery; supports fast repeated charging (a hallmark of SZ Vodasafe's user-centric design) |
| Cooling System |
High-efficiency aluminum alloy radiator plus 4 built-in cooling fans for optimal heat dissipation-ensuring long-term stable operation, a key feature of SZ Vodasafe products |
| Product Size |
210x133x85mm (without antennas) |
| Product Weight |
Approximately 3.0kg (gross weight); net weight is 2.5kg |
| Antenna Details |
12 omni antennas, each 192mm in length with a gain of 2.5dbi |
| Package Contents |
1 x Jammer Host (SZ Vodasafe J12Pro), 12 x Omni Antennas, 1 x AC Charger, 1 x Additional Car Charger (DC12V to DC28V), 1 x Carry Case (size: 340x330x140mm, weight: 2.0kg) |
| Packing Sizes & Weights |
- Neutral packing: 300x270x130mm, gross weight 4.0kg
- Safe case packing: 340x330x140mm, gross weight 6.0kg (designed to protect SZ Vodasafe J12Pro during transportation) |
The SZ Vodasafe J12Pro redefines signal jamming technology with its advanced features and user-friendly design-reflecting SZ Vodasafe's focus on innovation and practicality. One of its notable highlights is the battery capacity LCD display, which provides real-time information on the battery's capacity percentage, working voltage, and current. This allows users to easily monitor the device's power status and plan usage accordingly, aligning with SZ Vodasafe's commitment to intuitive operation.
Its robust cooling system, consisting of a high-efficiency aluminum alloy radiator and four internal cooling fans, ensures that the SZ Vodasafe J12Pro maintains a stable operating temperature even during prolonged use. This not only enhances the device's performance but also extends its lifespan-consistent with SZ Vodasafe's dedication to product durability.
Designed for convenience, the SZ Vodasafe J12Pro supports dual power supply options - AC power and car charging. The built-in battery offers the flexibility of portable use, making it ideal for situations where a fixed power source is unavailable. Whether in a conference room, a moving train, or an outdoor event venue, this jammer (from SZ Vodasafe) can be quickly set up to block unwanted signals.
Moreover, the SZ Vodasafe J12Pro is equipped with a DIP switch, a key feature that enables users to turn on or off any specific signal band without affecting the operation of other bands. This level of customization allows for precise signal control, ensuring that only the targeted signals are blocked-minimizing unnecessary interference, a design philosophy upheld by SZ Vodasafe.

Advantages:
1.Comprehensive Signal Blocking (SZ Vodasafe Advantage): With 12 bands and 12 antennas, the SZ Vodasafe J12Pro covers a vast range of signals, including all cell phone bands (5G/4G/3G/2G), LORA, LOJACK, GPS, Wi-Fi, and RF signals, providing all-round protection against unwanted wireless communications-meeting SZ Vodasafe's standard of full-spectrum interference.
2.High Power & Wide Coverage: Boasting a total output power of 44 watts, the SZ Vodasafe J12Pro achieves a jam radius of up to 60 meters, making it suitable for large spaces such as conference halls, auditoriums, and factories-delivering the strong performance expected from SZ Vodasafe.
3.Efficient Heat Dissipation: The combination of an aluminum alloy radiator and four cooling fans prevents overheating, ensuring the SZ Vodasafe J12Pro maintains consistent performance even during long hours of operation-a core advantage of SZ Vodasafe's engineering.
4.Flexible Power Options: Supports AC charging, car charging, and battery power, offering versatility in different usage environments. The fast-charging feature for the built-in battery adds to its convenience-reflecting SZ Vodasafe's focus on user needs.
5.Intuitive LCD Display: The battery capacity LCD display keeps users informed about the SZ Vodasafe J12Pro's power status, voltage, and current, facilitating efficient power management-an intuitive design element characteristic of SZ Vodasafe products.
6.Customizable Band Control: The DIP switch allows for independent control of each signal band, enabling users to tailor the jamming function of the SZ Vodasafe J12Pro to specific needs-showcasing SZ Vodasafe's attention to practicality.
7.Portable & Durable: Its handheld design and reasonable weight (approx. 3.0kg) make the SZ Vodasafe J12Pro easy to carry. The high-quality materials used in its construction ensure durability and long-term reliability-upholding SZ Vodasafe's product quality standards.
8.Secure Packaging: Available with neutral packing or safe case packing, providing adequate protection for the SZ Vodasafe J12Pro during transportation and storage. The safe case, in particular, offers enhanced security-ensuring customers receive intact SZ Vodasafe products.
Application Scenarios:
The SZ Vodasafe J12Pro is highly versatile and can be applied in a wide array of settings, including but not limited to-living up to SZ Vodasafe's goal of providing solutions for diverse scenarios:
Indoor Venues: Meeting rooms, conference rooms, museums, galleries, theatres, concert halls, churches, temples, restaurants, classrooms, and training centers. In these locations, the SZ Vodasafe J12Pro helps maintain silence during important events, protect confidential discussions, and prevent distractions from mobile devices-delivering the security and order expected from SZ Vodasafe.
Commercial & Industrial Areas: Factories and banks. In factories, the SZ Vodasafe J12Pro ensures that wireless signals do not interfere with the normal operation of machinery and equipment. In banks, it enhances information security by blocking unauthorized wireless communications that could pose a threat to financial data-aligning with SZ Vodasafe's focus on security solutions.
Transportation: Trains and buses. The SZ Vodasafe J12Pro creates a quiet and distraction-free environment for passengers, especially during long journeys, and also helps prevent potential security risks associated with unauthorized signal use-meeting the mobility needs of users, a key consideration for SZ Vodasafe.
Important Note: For special-purpose locations such as hospitals and gas stations, a field test must be conducted first with the SZ Vodasafe J12Pro. This is to ensure that the jammer does not cause any interference with the normal operation of critical equipment and instruments in these sensitive areas, as any disruption could have serious consequences-consistent with SZ Vodasafe's emphasis on safe and responsible use.

SZ Vodasafe J12Pro US Version
| Channel |
Output Port |
Frequency Range |
Average Output Power (±1dbm) |
| CH 1 |
VHF/LOJACK |
135-175MHz |
4W |
| CH 2 |
5G3.5G/3.7G |
3400-3800MHz |
4W |
| CH 3 |
WIFI5.8G/5.2G |
5125-5850MHz |
2W |
| CH 4 |
4GLTE Low |
698-803MHz |
3W |
| CH 5 |
5G600 or 5G1500 |
617-698MHz |
3W |
| CH 6 |
GPSL2L3L4L5 |
1170-1390MHz |
3W |
| CH 7 |
GPSL1 |
1560-1610MHz |
3W |
| CH 8 |
4GLTE High |
2496-2690MHz |
3W |
| CH 9 |
CDMA/GSM&LORA |
850-960MHz |
5W |
| CH 10 |
DCS/PCS |
1805-2000MHz |
5W |
| CH 11 |
3G |
2110-2180MHz |
5W |
| CH 12 |
WIFI2.4G/4G2300 |
2300-2485MHz |
4W |
SZ Vodasafe J12Pro EU Version
| Channel |
Output Port |
Frequency Range |
Average Output Power (±1dbm) |
| CH 1 |
VHF/LOJACK |
135-175MHz |
4W |
| CH 2 |
5G3.5G/3.7G |
3400-3800MHz |
4W |
| CH 3 |
WIFI5.8G/5.2G |
5125-5850MHz |
2W |
| CH 4 |
4GLTE Low |
738-821MHz |
3W |
| CH 5 |
5G1500 |
1427-1518MHz |
3W |
| CH 6 |
GPSL2L3L4L5 |
1170-1390MHz |
3W |
| CH 7 |
GPSL1 |
1560-1610MHz |
3W |
| CH 8 |
4GLTE High |
2570-2690MHz |
3W |
| CH 9 |
GSM |
925-960MHz |
5W |
| CH 10 |
DCS/PCS |
1805-1880MHz |
5W |
| CH 11 |
3G |
2110-2170MHz |
5W |
| CH 12 |
WIFI2.4G/4G2300 |
2300-2485MHz |
4W |
Note: The power supply, working time, product size, weight, antenna details, and packing specifications are consistent for both the US and EU versions of the SZ Vodasafe J12Pro, as outlined in the "Basic Specifications" section.
Usage Precautions
Before using the SZ Vodasafe J12Pro in any location, especially special-purpose areas like hospitals and gas stations, conduct a thorough field test to confirm that it does not interfere with the normal operation of local equipment and instruments-this is a key safety guideline for SZ Vodasafe products.
Use only the provided AC charger and car charger (supplied with SZ Vodasafe J12Pro) to avoid damaging the device or causing safety hazards.
Do not disassemble or modify the SZ Vodasafe J12Pro by yourself, as this may void the SZ Vodasafe warranty and lead to equipment failure or safety risks.
Store the SZ Vodasafe J12Pro in a dry, cool, and well-ventilated environment to prevent damage from moisture, extreme temperatures, or dust-protecting your SZ Vodasafe investment.
When the built-in battery of the SZ Vodasafe J12Pro is not in use for an extended period, charge it at least once every three months to maintain its performance and lifespan-following SZ Vodasafe's maintenance recommendations.
Comply with local laws and regulations regarding the use of signal jammers. Ensure that the SZ Vodasafe J12Pro is used only in authorized scenarios and does not violate the rights of others-upholding SZ Vodasafe's commitment to legal and ethical use.

