SZ Vodasafe VS-128 Portable FPV Detection & Video Transmission Capture Device
Brand: SZ Vodasafe | Model: VS-128 | Firmware Version: V3.1 | Release Date: August 2025
Unregulated unmanned aerial vehicles have created severe low-altitude security hazards, including unauthorized airspace trespassing, covert surveillance, privacy leakage and malicious FPV drone threats. To tackle these risks, SZ Vodasafe develops the VS-128 all-in-one portable FPV detection and video capture terminal. This lightweight handheld device integrates full-spectrum radio frequency scanning, analog FPV video interception, real-time signal display, multi-sensory alarm triggers and on-site video evidence storage into a single compact unit.
Built on spectrum scanning and signal feature recognition algorithms, the VS-128 accurately identifies mainstream consumer drones, FPV racing craft and self-assembled DIY unmanned aircraft even under complex electromagnetic interference. It supports independent single-person operation and exclusive 1+N master-slave group linkage deployment. As a professional passive early-warning tool for low-altitude air defense, it perfectly fits daily security patrols, vital site protection, team tactical missions and law enforcement digital evidence collection.

VS-128 Portable FPV Detection and Video Transmission Capture Device
Core positioning: Passive full-band handheld drone early warning and FPV analog video interception equipment
Working Principle
The VS-128 adopts passive spectrum scanning technology with zero signal radiation interference. It continuously scans customizable frequency segments covering 70 MHz to 6.2 GHz, extracts unique signal fingerprints generated by drone remote control and analog image transmission modules, and matches captured signals against an internal drone signal database to automatically classify target UAV types. Once suspicious drone signals are detected, the system activates multi-dimensional alarm reminders while decoding and recording real-time first-person FPV footage for instant threat assessment and permanent evidence archiving.

Product Advantages & Key Functional Features
1.Ultra-Wide Full-Band Signal Detection Coverage
The device supports fully customizable scanning across the full 70 MHz to 6.2 GHz spectrum, covering all mainstream communication bands used by civilian unmanned aircraft. Pre-calibrated default frequency bands include 400 MHz, 800 MHz, 900 MHz, 1.2 GHz, 1.4 GHz, 2.4 GHz, 5.2 GHz and 5.8 GHz, with additional frequency ranges available for customized development on demand. It achieves full coverage of all analog FPV video transmission signals within 500 MHz to 6 GHz, eliminating blind spots for racing drone analog image capture.

2.Long-Distance Detection & Real-Time Video Interception
Under line-of-sight conditions and clean electromagnetic environments, the effective detection radius of the VS-128 reaches no less than 1.5 kilometers, with the same maximum distance for synchronous FPV video interception. Operators can view live first-person footage transmitted by illegal drones directly on the built-in touch screen. The device delivers ultra-fast threat response: scanning across 8 frequency bands triggers alerts within 3 seconds, while full 12-band scanning completes detection and warning in no more than 5 seconds, ensuring instant response to sudden drone intrusions.
3.FPV Video Decoding & Complete Evidence Storage
The terminal fully decodes all analog FPV video streams, allowing security personnel to observe real-time surveillance footage captured by unauthorized drones. Equipped with an SD card storage slot, the machine comes standard with a 32 GB memory card and supports expansion up to a maximum capacity of 256 GB for uninterrupted video recording. All captured footage carries accurate time stamps, forming legally valid digital evidence for post-incident investigation and law enforcement procedures.
4.Triple-Mode Intelligent Alarm System
A three-in-one reminder mechanism prevents missed threat alerts in noisy or discreet operation scenarios. Users receive adjustable audible alarms controlled via the rotary power knob, silent vibration prompts for confidential patrol assignments, and high-brightness LED warning indicator lights whose function can be activated or deactivated freely in system settings.

5.Exclusive 1+N Master-Slave Team Coordination Mode
The proprietary multi-unit linkage architecture enables one primary VS-128 host to connect multiple slave detection terminals for coordinated cross-area monitoring. Matching optional wrist-mounted receiver terminals synchronize all alarm signals to individual patrol officers, greatly boosting overall low-altitude threat awareness during large-scale security events and joint team operations.
6.Ergonomic Lightweight Portable Structure
Engineered for long-duration single-hand handheld use, the main unit weighs less than 1.2 kilograms with a compact overall dimension of 215 millimeters in length, 44 millimeters in width and 150 millimeters in height. It features a 7-inch high-definition capacitive touch screen for intuitive one-touch operation and real-time spectrum visualization. The built-in 7.4V 7000mAh lithium battery delivers a continuous working duration of over 5 hours under factory default screen brightness and standard operating modes. A complete supporting accessory set including wrist straps, optional shoulder straps, multi-type receiving antennas and shockproof aviation transport cases enables flexible outdoor field deployment.
7.Broad Compatibility with All Mainstream UAV Models
The built-in signal identification library supports precise recognition of nearly all common unmanned aircraft types on the market, covering commercial consumer drones from brands such as DJI, Autel and Hubsan, professional FPV racing drones, fixed-wing unmanned planes, and all self-modified DIY drones equipped with custom analog image transmission modules.

Technical Parameter Description
The device identifies mainstream consumer drones, FPV racing models, fixed-wing aircraft and all self-assembled DIY unmanned aerial vehicles. Its adjustable scanning frequency range spans 70 MHz to 6.2 GHz, with eight pre-configured default bands and support for custom band development. The FPV analog video detection range covers 500 MHz to 6 GHz, fully compatible with all analog image transmission signals and customizable to meet special frequency requirements.
The effective detection radius and synchronous video capture distance both exceed 1.5 kilometers when operated in unobstructed line-of-sight environments with low electromagnetic clutter. Detection response speed stands at under 3 seconds for 8-band scanning and no more than 5 seconds for full 12-band scanning cycles. For storage, the unit ships with a 32 GB SD memory card and accepts expansion cards up to 256 GB maximum capacity.
Alarm output includes sound, vibration and LED light signals that can be toggled independently in system settings. The visual interface relies on a 7-inch multi-point capacitive touch screen displaying real-time spectrum curves, signal frequency values, target signal strength and intercepted live FPV video feeds. Power is supplied by an internal 7.4V 7000mAh rechargeable lithium battery, charged through a dedicated DC 8.4V 2A charging port, with continuous battery life reaching a minimum of 5 hours under default screen brightness and standard working states.

The main body weighs less than 1.2 kilograms and measures 215mm × 44mm × 150mm in length, width and height. A dual-purpose port integrates a 3.5-millimeter headphone jack for audio monitoring and a TYPE-C interface for offline firmware library upgrades to expand drone signal recognition coverage. Multiple standard SMA antenna connectors are reserved for separate full-band detection antennas and dedicated 5.8 GHz image capture receiving antennas.
Device Hardware Layout & Component Functions
Every physical interface and functional button on the VS-128 is designed for quick field operation, with clear functional divisions for each module as detailed below.
The independent function button supports one-click screen activation and shutdown to save power during long patrol missions. The dedicated SD card slot holds removable memory cards for local video storage and post-mission data export. Separate SMA antenna ports are reserved for three different receiving accessories: one full-band image capture antenna for multi-frequency FPV signal interception, a specialized port for the yellow-ring 5.8 GHz high-sensitivity image capture antenna, and another full-band detection antenna port to receive drone remote control and communication signals for spectrum analysis.
The rotary power knob serves dual purposes: rotating clockwise turns on the device and raises alarm volume, while counterclockwise rotation lowers volume and cuts power supply. The front-mounted alarm indicator LED flashes continuously once drone signals are detected, and users can disable this light reminder in the system menu as needed. The central 7-inch touch display serves as the core operation window showing real-time spectrum data, target parameters and intercepted FPV video streams. A dedicated DC charging port accepts the original 8.4V 2A charger for fast lithium battery replenishment. On the side panel, the combined 3.5mm headphone and TYPE-C port enables external audio monitoring of alarm prompts and offline firmware updates to expand the device’s drone signal recognition library. A built-in strap buckle at the bottom of the unit secures the wrist strap to prevent accidental drops during handheld operation.

Standard & Optional Accessory Configuration
1.Standard Full Accessories Included in Standard Delivery
One VS-128 main unit pre-installed with a 32 GB SD memory card is supplied as the core equipment. A single 5.8 GHz yellow-ring high-sensitivity image capture antenna and two full-band wide-spectrum receiving antennas are included for complete signal reception. The package also contains an original EU-standard 8.4V power charger, a USB data cable for file transmission and device upgrades, a pair of 3.5mm monitoring headphones for real-time alarm audio monitoring, a lightweight original packing box, an SD card reader for fast video evidence export to computers, and an anti-slip hand wrist strap for handheld safety.
- Optional Custom Accessories Available for Separate Purchase
Multiple optional accessories are offered to meet diverse operational demands. A shoulder strap supports cross-body carrying during long-distance outdoor patrols. A dedicated detection information wrist receiver terminal enables real-time alarm synchronization with the main VS-128 host and comes with a matching charging cable. A portable USB charger provides emergency power replenishment in remote field environments. Flexible full-band spring soft antennas are available for concealed deployment in narrow spaces. A customized shockproof, dustproof and waterproof aviation protective case is also optional, with outer packaging dimensions measuring 350 millimeters in length, 300 millimeters in width and 100 millimeters in height for safe transportation.

Main Applicable Operation Scenarios
The SZ Vodasafe VS-128 targets all low-altitude security scenarios facing risks of unauthorized drone intrusion. It is widely deployed for multiple professional use cases.
First, daily public security patrols, including municipal urban security management, campus perimeter monitoring, park and community anti-surveillance inspections. Second, protection of critical high-value targets such as government premises, military facilities, power stations, airports, stadiums, confidential industrial parks and venues hosting large-scale events. Third, coordinated tactical team operations for military and armed police forces, leveraging the 1+N master-slave linkage system for unified low-altitude defense. Fourth, law enforcement investigation and digital evidence collection, where intercepted illegal FPV drone footage acts as official evidence for cases involving privacy violation, unauthorized reconnaissance and airspace trespassing. Fifth, border defense and key infrastructure protection to block cross-border FPV smuggling and hostile aerial surveillance.
Routine Equipment Maintenance Guidelines
Operators should follow standardized maintenance steps to extend the service life and maintain stable performance of the VS-128. Power on the device regularly at least once every two weeks to inspect battery status, touch screen responsiveness and antenna signal receiving performance. Handle SMA antenna connectors gently and avoid violent bending; store all antennas separately inside the aviation case to prevent internal wire breakage.
If the device will remain idle for more than one month, back up video files by removing the SD card and charge the built-in lithium battery to approximately 60% capacity before long-term storage. For daily cleaning, wipe the touch screen and outer shell with a dry soft cloth only, and never use liquid cleaning agents to avoid corrosion of internal circuit components. Conduct periodic firmware upgrades via the TYPE-C port to update the drone signal feature library, ensuring the device can identify newly released UAV models in the market.
After-Sales Service Support
SZ Vodasafe specializes in independent research, development and manufacturing of professional anti-UAV security equipment. Every VS-128 device passes full factory quality inspection before delivery. Customers enjoy a global one-year hardware warranty, lifelong free upgrades of the drone signal recognition library, and full one-stop technical training covering equipment operation, signal analysis and digital evidence collection. Customized frequency band development, multi-unit linkage system debugging and on-site professional technical guidance services can be provided according to personalized customer requirements.