Ukrainian adviser says Russia may be operating Mesh retransmitters inside Kyiv to guide Shahed strikes
Serhiy "Flash" Beskrestnov, an adviser to President Volodymyr Zelensky on technology development, suggested in a Facebook post on October 3, 2026, that Russia may be using one to three Mesh radio retransmitters inside Kyiv to remotely guide and adjust Shahed drone strikes. He described the claim as a technical hypothesis rather than a confirmed fact, and there is no independent confirmation that such retransmitters are operating. He warned that, while they remain active, electronic-warfare efforts to shield the city would be insufficient and that both bridges and nearby air-defense assets would be at risk.
Key points
- Beskrestnov posted the hypothesis on Facebook on October 3, 2026
- He says between one and three such Mesh retransmitters may be operating in Kyiv
- He argues that, if active, electronic-warfare measures to shield the city would not be effective
- He warns that bridges and nearby air-defense assets could be targeted
- He cites the strike on the SBU building, during which no other Shaheds were in the air, as evidence for his hypothesis
- He presents the claim as a technical conclusion, not a confirmed fact, and acknowledges it could be wrong
Why it matters
If Mesh retransmitters are indeed operating inside Kyiv, they would give Russian operators a real-time channel to correct the flight of Shahed drones up to the moment of impact, enabling far more precise strikes than autonomous targeting would allow. Beskrestnov argues that in such a scenario the usual approach of blanketing it with electronic-warfare jamming would be ineffective, because the control link would pass through a ground node inside the city rather than through a distant signal. That would directly affect how Ukraine protects both infrastructure targets such as bridges and the air-defense systems deployed to defend them, and it raises the question of how such retransmitters could be located and neutralized.
What happened
On October 3, 2026, Serhiy "Flash" Beskrestnov, a presidential adviser on technology development, wrote on Facebook that Mesh radio retransmitters could be operating inside Kyiv to provide a temporary communications channel for online control and correction of Shahed drone strikes. He estimated there may be between one and three such retransmitters in the city. He argued that finding them is difficult but necessary, because as long as they are active, electronic-warfare measures would not be sufficient to protect the capital. He cited the strike on the SBU building — during which, in his analysis, no other Shaheds were airborne that could have acted as retransmitters — as evidence for his hypothesis. He also warned that, if Russian forces gain online control of kamikaze drones, they will strike not only bridges but also Ukrainian air-defense assets near them. He described the claim as a technical conclusion rather than a confirmed fact, acknowledged it could be wrong, and noted that specialists studying the debris from downed drones have not yet found other communications equipment, such as LTE or "Рассвєт"-class systems, that could explain such control. There is no independent confirmation that Mesh retransmitters are operating in Kyiv. The warning came against the backdrop of recent Russian strikes on Kyiv bridges: on October 1 and 2, the Pivdennyi (Southern) Bridge was hit multiple times with drones, damaging the roadway, a support, the crash barrier and the metro's protective concrete covering, and was closed to vehicular and metro traffic; on October 3, the Pivnichnyi (Northern) Bridge was struck, damaging the road surface. During the night of October 3, Russia launched 157 drones, including Shaheds, Gerberas and decoys, with hits recorded at 12 locations.
How Ukrainian sources describe it
All available sources are Ukrainian media, which frame the story as a technical warning from a presidential adviser about a possible new Russian capability that would enable precision strikes inside Kyiv. The coverage centers on what the hypothesis would mean for the protection of the city's bridges and the air-defense assets deployed around them, and on the limits of electronic-warfare countermeasures if ground-based retransmitters are indeed active. The sources are careful to note that Beskrestnov presents this as his personal technical conclusion, and that there is no independent confirmation that Mesh retransmitters are operating in the capital.
Where reporting differs
Sources differ on the number of drone strikes on the Pivdennyi (Southern) Bridge on October 1–2: most accounts describe the attacks without giving a precise count, while one source says the bridge was hit three or four times. Sources also differ on the SBU-building strike Beskrestnov cites as evidence for his hypothesis: only one source dates that strike to September 4, while the others do not give a date.
Background
In autumn 2025, Beskrestnov explained that Mesh-network drone control means the operator forms a dynamic mutual-relay network in which each modem simultaneously acts as a transmission point and a retransmitter, with airborne modems on drones creating a chain in which data packets are automatically rerouted around lost links. On September 28, 2026, President Volodymyr Zelensky said Ukrainian air-defense forces shoot down about 70% of drones in mass attacks, with a 57% rate for jet-powered drones; on September 29 he reported that Ukraine had identified the first weapon prototypes designed to shoot down jet-powered Shaheds. A jet-powered Shahed acting simultaneously as a signal retransmitter for a Geran-5 drone was filmed striking the Incom business center in Kyiv. Police have announced that, during air raids following the bridge strikes, the Pivdennyi Bridge will be fully closed to traffic in both directions; the Darnytsia Bridge will be open in one lane only from the right to the left bank; and the Metro Bridge and Podilsko-Voskresensky Bridge will be closed in the left-to-right-bank direction.