IN Brief:
- INFOZAHYST has upgraded Pluton to recognise mesh-modem transmissions associated with several unmanned aircraft families.
- The manufacturer specifies 500–6,000MHz coverage, approximately 50 scans per second, and a maximum detection range of 70km under favourable conditions.
- Remote monitoring through a configured VPN expands the options for linking several Pluton sensors with protected control positions.
Ukrainian electronic surveillance manufacturer INFOZAHYST has expanded the detection capability of its Pluton unmanned aircraft warning system to recognise communications traffic associated with mesh modems installed on several types of drone. The upgrade also adds remote monitoring and partial control over a configured virtual private network, giving operators additional ways to supervise sensors from positions away from the equipment itself.
The additional signal types were identified by INFOZAHYST in technical information supplied to Militarnyi on 10 November. The developer named traffic associated with Gerbera, Molniya, and Geran-family aircraft, with 1.5 GHz and 3.4 GHz among the frequencies monitored. These are identified modem characteristics rather than universal specifications for every aircraft bearing those names. A receiver will register a usable transmission only when its signal level and identifying features can be distinguished from the surrounding radio environment.
Pluton is an electronic support measures system designed to listen for radio emissions and alert personnel to potentially approaching unmanned aircraft. Rather than transmitting a probing signal in the manner of radar, the equipment monitors selected parts of the radio spectrum and compares detected activity against information held in its signal database. Such passive surveillance can complement optical and radar sensors, although a drone operating without relevant emissions cannot be assumed detectable by radio monitoring alone.
On its published product specification, INFOZAHYST gives Pluton an operating frequency range of 500–6,000MHz and a scanning rate of approximately 50 passes per second. The manufacturer quotes detection at distances up to 70 kilometres. That figure is a maximum capability claim, not a guaranteed warning radius: antenna placement, propagation conditions, radio output from the target, interference, and the aircraft’s altitude all influence the distance at which a usable signal can be received.
Recognising mesh-modem traffic requires attention to the network behaviour of the equipment being monitored. A mesh arrangement allows devices to exchange information through intermediate nodes rather than relying solely on a direct point-to-point link. This can extend communications over a distributed formation, but each participating transmitter also creates radio activity that suitably configured receivers may be able to distinguish from other emissions in the same band.
Recognition of a mesh-modem signature does not, by itself, prove which aircraft is transmitting it. Devices can occupy the same frequency bands, and short bursts or overlapping transmissions may leave an incomplete pattern. The receiver must compare characteristics of the detected signal with the entries in its database before producing an alert. INFOZAHYST has not published independently measured identification accuracy for the newly supported modems.
Pluton’s new recognition functions build on an existing spectrum-monitoring product rather than a newly designed receiver. The published specifications — including the 500–6,000 MHz range and approximate 50 scans per second — describe the baseline equipment. They do not constitute test evidence for the accuracy of the November mesh-modem upgrade. No public false-alarm rate, detection probability, or measurements under heavy electronic interference have been disclosed for the additional signatures.
The system can operate from a vehicle’s 12V supply, mains power, or an included battery, which the manufacturer says supports up to four hours of continuous operation. Those choices allow a receiver to be installed in different fixed or mobile arrangements, but practical endurance depends on the power configuration and any associated communications equipment. Maintaining a sensor network also requires reliable antennas, appropriate cabling, and access to data from each monitoring position.
Remote monitoring changes the system’s operating arrangement as well as its signal database. According to the developer’s account, a specially configured virtual private network enables personnel to monitor and partially control multiple Pluton devices away from the receiving equipment. The description does not specify the permitted control commands, bandwidth requirements, or resilience during network outages. An installation therefore needs to account for the reliability and security of the link carrying warning information, as well as for the receiver itself.
Reports from several receiving positions can be presented together, but a collection of Pluton receivers should not automatically be described as a precision geolocation network. The developer has also described interaction with its Plastun-RP-3000M direction-finding equipment, which can use the bearings of received transmissions to support location estimates. Coordinates require suitable measurement geometry and signal quality; the company has not published a trial demonstrating location accuracy for the newly identified mesh modems.
INFOZAHYST says further development is directed at recognising digital video links used by some first-person-view drones and at connecting the detection equipment to counter-UAS control systems. Those functions remain prospective and should not be treated as available in the current release. The company’s own product description establishes the receiver’s baseline capabilities, while the reported November upgrade adds specific signals and network-management functions.
INFOZAHYST’s next stated development priorities include detection of digital video links on some first-person-view drones and control-system integration for counter-UAS equipment. Neither capability has been confirmed as part of the November Pluton update. Its immediate disclosed change is the addition of specified mesh-modem signatures and remote monitoring functions, while the effectiveness of those changes in different radio environments remains unquantified.
