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R-330ZH ZHITEL Automated jamming station NVP Protek  |  army EW, GNSS / satcom / GSM Project Orlan Data Base // public encyclopedia
R-330Zh Zhitel
R-330Zh Zhitel

WHAT IT IS

The R-330Zh Zhitel (Р-330Ж «Житель», "Resident"; also written R-330ZH, and occasionally translated as "Resident" in Western papers) is a Russian army automated jamming station (автоматизированная станция помех, АСП) built by NVP Protek (НВП «Протек») of Voronezh. It is a tactical electronic warfare truck, not a radar and not a missile. Its job has three parts: listen across 100-2000 MHz, find and direction-find radio emitters, and jam a short list of civilian and military user terminals that live in that part of the spectrum: satellite-navigation receivers (GPS/NAVSTAR, and in practice GLONASS), Inmarsat and Iridium satellite handsets, and GSM base stations and phones. It was accepted into Russian service in 2008 according to Russian reference sources, and it is the best-known Russian system of its kind because it was photographed in Crimea and Donbas in 2014-2020 and has been one of the most-publicised electronic warfare kills in Ukraine since 2022.

It is built as a system of two vehicles: a Ural or KamAZ truck carrying the operator cabin and the reconnaissance / direction-finding gear, and a trailer carrying the generator, four active transmit phased arrays on telescopic masts and their power supplies. The transmitters are deliberately separated from the crew (see How AESA Radar Works for what an active phased array is; the Russian acronym АПФАР means "active transmitting phased antenna array"). A station can work alone, as one half of a pair (master or slave) that triangulates emitters, or under a R-330KMA control post as part of the larger R-330M1P Diabazol (Р-330М1П «Диабазол») automated jamming complex.

Do not confuse it with the older R-330 Mandate family or the R-330BMV Borisoglebsk-2 complex, which are VHF/HF radio jammers, and do not confuse it with Krasukha, which is a radar jammer. Zhitel is the one that is aimed at satellite navigation, satellite phones and cellular networks. In this article, as everywhere in this database, a performance number is a manufacturer, ministry or reference-work figure unless the text says otherwise; combat claims on both sides of the war are labelled as claims, and numbers that are my own arithmetic from published figures are labelled as that.

QUICK FACTS

WHAT IT DOES, AND WHAT IT DOES NOT

The open mission statement, in the maker's and Rosoboronexport's words, is to find, direction-find and jam portable and mobile satellite-telephone terminals (Inmarsat, Iridium), jam GPS/NAVSTAR navigation equipment, and jam GSM base stations. Secondary descriptions add that the 0.1-2 GHz listening window also contains many VHF and UHF radio links, including some drone control and video links, and that the station is meant to protect a brigade or division command post from GPS-aided munitions. Russian TV (Zvezda, 2015) described it as able to intercept and suppress drone control channels. Ukrainian units that have destroyed Zhitels repeat that line, saying it jams UAV control channels out to 25 km and command channels out to 50 km. That is an interpretation: the brochure itself lists jamming of satellite, navigation and cellular equipment, and whether a given drone link falls inside the jamming windows depends on its frequency (see the band analysis below).

What it does not do: it does not jam HF; it does not jam radars (that is Krasukha and similar sets); it does not cover 2.4 GHz and 5.8 GHz Wi-Fi-style links, which are above its 2000 MHz ceiling; and it does not jam military satellite communications above 2 GHz, or Ku-band Starlink uplinks (14.0-14.5 GHz), which is the problem the separate trailer system described in VOLNA / KUPOL / GARANT is built for. It is a point-defence and front-area truck. It is not a silent signals-intelligence van either, because when it jams it is by definition one of the loudest transmitters for miles around.

HISTORY AND DEVELOPMENT

Russian electronic warfare (радиоэлектронная борьба, РЭБ) was run down in the 1990s and rebuilt after the 2008 Georgia war and the military reform that followed. Jamestown's 2021 study (Sukhankin) describes how, after 2008, a vertically integrated EW command chain appeared and EW companies were created in virtually all reformed rifle and tank brigades and divisions, the Airborne Troops and special forces. Zhitel arrived in that period: Protek developed it in the 2000s, Russian sources date its adoption to 2008, and the manufacturer claims it was tested in "combat conditions" without saying where or when.

The program context is the Diabazol complex. Protek's R-330M1P Diabazol (also seen written R-330KMK in some French and Western pages) is an automated radio-electronic suppression complex that works in the same 100-2000 MHz range. It consists of a R-330KMA control post and a number of jamming stations, of which the R-330Zh is the best-known. The Russian Wikipedia article and several secondary sources state that the control post can run stations in pairs or as a group; one secondary source claims a single R-330KMA can control up to 20 stations, which I could not confirm from a primary source.

Two older stories need to be treated carefully. The first is that Zhitel was used in the assassination of Chechen leader Dzhokhar Dudayev in April 1996. That claim appears in Wikipedia and in Jamestown as "allegedly". Chronology argues against it: the production Zhitel is dated to 2008. What is widely reported about 1996 is that Dudayev was located when he used a satellite phone and was then killed by missiles from a Russian aircraft; reports differ on the type of aircraft. I treat the Zhitel connection as a name mix-up unless a primary source appears. (An earlier version of this article named the aircraft as an Su-25; that detail is not reliably established and has been removed.) The second is that early versions of Zhitel were used in the Second Chechen War; the only source is a Zvezda TV claim repeated in Russian Wikipedia.

WHO BUILDS IT

NVP Protek (Научно-внедренческое предприятие «Протек», AO NVP Protek) is a Voronezh company that makes army electronic warfare and communications equipment: the R-330Zh Zhitel, the R-330M1P Diabazol complex and the R-330KMA control post, according to Protek's own pages and Rosoboronexport. Sanctions databases list the company at 6 Bazovaya Street, Voronezh. Open registry material says it was acquired by the holding company Ego-Holding (ЭГО-Холдинг) in January 2013 and that Ego-Holding is itself on EU sanctions lists; Protek appears on US (Executive Order 14024) and EU sanctions lists. Protek is separate from KRET (Radio-Electronic Technologies Concern, part of Rostec) and from the Sozvezdie concern, which are the other big names in Russian EW. An earlier version of this article hinted at Sozvezdie in a garbled sentence; the correct statement is that the Borisoglebsk-2 complex is a Sozvezdie product and Zhitel is a Protek product.

One production event matters. On 17 February 2025 the Ukrainian Main Intelligence Directorate (GUR) claimed that two R-330Zh complexes that were intended for the front were destroyed in a fire at the Protek plant in Voronezh on the night of 28 January 2025. GUR did not state the cause of the fire. I found no independent confirmation; treat it as a Ukrainian claim.

THE TWO VEHICLES

Standard set is two pieces of equipment, which Russian and export sheets call the "equipment vehicle" and the "antenna trailer".

Crew: 3 in peacetime and 4 in wartime in the specification. Deployment: not more than 40 minutes to set up or tear down. A COGINT analytic report prepared for Ukrainian users (2023) notes that antenna installation is done manually, with no mechanisation, and passes on a Russian crew's remark that a station in operation has about 20 minutes before the danger of detection gets too high. That is anecdotal, but it matches the Ukrainian experience described below.

Power: the specification gives 220/380 V, 50 Hz, from the trailer's diesel generator or from a mains supply, and an emergency battery supply for the electronics. Russian Wikipedia prints 24 V DC; one Western sheet quotes +27 V and 6ST-190 batteries; I treat the exact emergency voltage as unresolved. Power drawn from a mains supply is not more than 2.5 kW without the life-support system and not more than 10 kW with it. The 1,600 hours figure is the specified mean time between failures; a previous version of this article noted that it is sometimes misread as an endurance on one tank of diesel, which it is not.

HOW IT WORKS: THE SIGNAL CHAIN

Think of Zhitel as a receiver, a direction finder, a database, a controller and a bank of amplifiers, in that order.

  1. Search. The receive system scans the 100-2000 MHz range. The published minimum scan speeds are 800 MHz/s in detection mode and 400 MHz/s in direction-finding mode. By my arithmetic a full 1.9 GHz sweep takes about 2.4 seconds in detection mode and about 4.75 seconds in direction-finding mode at the stated minimum rates. Short bursts, such as a satellite handset's transmission slot or a frequency-hopping radio, are the hard targets.
  2. Detect and classify. Signals found in the scan are analysed ("technical analysis", технический анализ): frequency, bandwidth, modulation and timing are measured and compared with what the operator is looking for. The Russian description lists automatic testing of the equipment, an electronic map, and the ability to plot reconnoitred emitters on a topographic map or a rectangular grid.
  3. Direction-find. The station measures the bearing to each emitter. The published accuracy is 2 degrees (Protek) or 3 degrees (Rosoboronexport). Protek does not publish which direction-finding method it uses.
  4. Task. The operator, or the control post, tells the station which emitters or bands to jam. The station can jam standalone, as a master, as a slave, or under the R-330KMA.
  5. Jam. The control system builds jamming signals, which are fed to the transmit arrays, and they radiate at the selected frequencies. Up to 12 jamming signals can be radiated quasi-simultaneously.
  6. Report. The station reports results to the control post by telecode link (see the interfaces section).

Direction finding, in general terms

Protek's materials say that the station direction-finds and can compute coordinates with a second station, but do not say how. Generally, a tactical direction finder does one of three things. An amplitude system (a Watson-Watt or Adcock set, for example) compares signal levels on crossed antennas. A phase or interferometer system compares the phase of the same wavefront at spaced antennas, and can be more accurate with more elements but needs more calibration. A correlative system compares the measured response with a stored calibration for every angle. Which one is in Zhitel is not published, so I do not guess. What I can say from the numbers: a 2-degree bearing error at 20 km is about 0.7 km of sideways error for a single bearing (1.0 km at 3 degrees) if that figure is a root-mean-square value. The Russian description says a pair of stations exchange information "for synchronous direction finding of emitters in order to calculate their coordinates", so the intended use is two stations, with bearings from two places crossing at the emitter. Two good bearings give a fix that is far better than one, but with errors of a degree or two the result is a patch of ground measured in hundreds of metres, not a weapon-quality coordinate. Treat it as cueing.

What "energy potential" means

Both the Protek page and Russian Wikipedia list the "total energy potential of the four active transmit phased arrays" (суммарный энергопотенциал АПФАР). The Russian term is usually understood as transmitted power combined with antenna gain, but brochures do not define it, and different Russian pages print "at least 8,000 W" and "at least 6,000 W". The Rosoboronexport card says 6,000 W. RUSI's 2023 commentary says open sources give about 10 kW. I use the 6 kW figure for the arithmetic below because it is the most conservative and the export one.

HOW IT JAMS

The target: a very weak signal

A satellite-navigation signal is extremely faint when it reaches the ground. A GPS satellite is about 20,200 km above the Earth, and the minimum received power of the civil C/A code at L1 is specified at about minus 158.5 dBW, or about minus 128.5 dBm (RUSI quotes about minus 127 dBm). The receiver recovers it only because the spreading code gives a large processing gain. A ground transmitter in the same band does not need to out-shout the satellite from orbit; it only needs to deliver a signal at the receiver that is stronger than the satellite signal by more than the receiver's anti-jam margin. For a typical unprotected receiver that margin is commonly cited as being of the order of 30-40 dB of jamming-to-signal ratio (approximate, and it varies greatly with receiver design). Military receivers with controlled-reception-pattern antennas can do much better; see the countermeasures section and Kometa CRPA for the Russian equivalent of that technology.

An illustrative link budget (my arithmetic)

This is a simple free-space calculation to show scale, not a measured performance. Assumptions: 1,500 W radiated by one array (6,000 W divided by four arrays, taking the stated "energy potential" as radiated power with no extra antenna gain, which is conservative); frequency 1575.42 MHz; a receiver with an isotropic antenna; free-space propagation; minimum GPS C/A signal about minus 128.5 dBm.

For comparison, RUSI's own back-of-the-envelope figure was about minus 70 dBm at the source and about minus 53 to minus 56 dBm at 30 km, which are in the same region. The point is that jamming-to-signal ratios of 60 dB and more are available well beyond the published range. The brochure range figures therefore are not set by transmit power. They are set by geometry.

Geometry: the radio horizon sets the range

At these frequencies radio waves travel in nearly straight lines, so the range from a ground transmitter to a receiver depends on the heights of the two antennas. A standard approximation is that the radio horizon in kilometres is 4.12 times the sum of the square roots of the two antenna heights in metres. Assuming a 10 m mast on the trailer (my assumption; the mast height is not published):

This explains the structure of the brochure: 20-25 km against ground users (horizon-limited), and "not less than 50 km" against equipment on aircraft (a floor, since higher receivers see the jammer from farther away). It also explains how a jammer on the ground can affect a glide bomb or a guided rocket high above the battlefield. Each array has an elevation beam of up to 20 degrees; if the lower edge of such a beam is at the horizon, its upper edge at 25 km is about 9 km up (my geometry). A guided munition descending through that cone is in the jamming beam. The Washington Post, in its 2024 account of Ukrainian assessments, described Russian ground jamming as sending up a cone-shaped area through which any guided munition or aircraft is at risk.

Jamming modes

The Russian specification lists three kinds of jamming signal:

Zhitel is described as a noise jammer. There is no public evidence in the sources I found that Zhitel spoofs navigation signals (feeds a receiver a false position); spoofing is a different technique, and the claims about it in Donbas (Jamestown, Ukrainian officers) refer to Russian EW in general, not to this station.

Which bands it covers, and which it doesn't (my analysis of the published windows)

This is my own reading of the published jamming windows against the standard frequency allocations. It is useful because it shows that the station is a 2000s design with a particular target list.

This list is what the published windows imply; it is not a Protek statement and it does not tell you how much power goes into each window.

SPECIFICATIONS IN ONE PLACE

Source tags: P = Protek (and Russian Wikipedia copy of it), R = Rosoboronexport English card, B = brochure figure that has not been independently measured. Every number below is a brochure figure; none is an observed combat figure.

The 2 versus 3 degrees, 6 versus 8 kW and 1,200 bit/s versus 256 kbit/s disagreements probably reflect different datasheet editions (export cards often state looser limits). That is a guess; no source says so.

INTERFACES AND COMMUNICATIONS

The station has three kinds of connection.

I found no open source that ties Zhitel to Strelets, Reflex or any other named reconnaissance-and-strike chain.

WHERE IT FITS IN RUSSIAN ELECTRONIC WARFARE

After 2008, EW companies were created in rifle and tank brigades and divisions, and a vertically integrated EW command system was set up (Jamestown). Zhitel belongs to the "front" layer: it is a brigade- or division-level asset that sits a few kilometres behind the front. Defence Ukraine's September 2026 survey, quoting RUSI fieldwork from 2023, says Russian forces were deployed with roughly one major EW system per ten kilometres of front, a few kilometres behind the line, with more specialised systems at higher echelons. Positioning guidance in the 2023 Russian counter-UAV manual, as summarised in the same survey, puts stations three to five kilometres behind the front, about ten kilometres apart, pointed at the expected approach axis, with sector widths of about 90 to 120 degrees, and orders rapid relocation after emitting. (That guidance is for the smaller R-934BMV and Palantin-U type systems; Zhitel's own 90-120 degree array beams match the same idea.)

Around Zhitel in the same Russian EW toolbox, with the role of each:

Zhitel's niche inside this list is that it is one of the few Russian sets that combines a direction finder with a jammer aimed at satellite navigation and satellite phones. Its limits follow from that niche.

OPERATIONAL HISTORY

The record is a mix of OSCE drone sightings, Ukrainian military reports, Russian state media claims and open-source loss lists. Each item is attributed.

UKRAINE: WHY ZHITELS DIE, AND HOW MANY

A jammer is a transmitter, and a transmitter can be found. Ukrainian tactics, as described by RUSI fieldwork and Defence Ukraine's survey: passive direction-finding sensors locate the emitter; drones confirm it; artillery or strike drones finish it. RUSI's reporting says tracking Russian EW positions has become a prerequisite for Ukrainian drone operations, shaping routes, timing and altitude, and that artillery is used against Russian EW before drones go into the same sector. RUSI's 2023 JDAM commentary said the same thing in one line: a powerful jamming signal is comparatively easy to detect, so its latitude and longitude can be determined and passed to artillery.

Counts, with their source:

These counts come from different organisations with different rules and they are not a single series. They agree in order of magnitude: a couple of dozen Zhitel hulls documented, out of a fleet that has never been published.

Recent strikes (Ukrainian claims):

These units describe the Zhitel as a drone-jamming asset. Ukrainian reports say the destruction "opens space" for Ukrainian drone operations. The reports are claims by the units that carried out the strikes; independent imagery for individual cases is what Oryx uses.

Capture and analysis. I found no report of a complete Zhitel captured intact. One report (Defense24, retold by Topwar in July 2025) says a trailer left by Russian troops in the Kyiv region in 2022 was hidden in a barn by a local resident who told Ukrainian soldiers it was a generator; it was later identified as a component of an R-330Zh, apparently the antenna trailer. A comment on the Topwar page notes that the trailer is useless without the truck; the truck holds the electronics and software. Separately, Ukraine's TrophyLab programme has listed captured Russian systems for vetted technical examination, with Zhitel components named in at least one report. I could not see the underlying list, so I do not claim any particular Zhitel analysis has been published.

EFFECT ON WESTERN PRECISION MUNITIONS

The most-discussed Western consequence of Russian GNSS jamming is the degradation of GPS-guided munitions. It cannot be attributed to Zhitel alone: Russian GNSS jamming comes from several systems, including Pole-21 and others. Zhitel is the one that is named in the RUSI commentary and in secondary sources.

The US has since pursued anti-jam upgrades; Defense News (March 2025) reported work on refitting artillery and rocket systems with GPS protections.

COUNTERMEASURES

The counters to a Zhitel are mostly the counters to any GNSS jammer or any large emitter.

VULNERABILITIES AND LIMITS

COMPARISON WITH WESTERN SYSTEMS

Zhitel has no close Western counterpart because the missions are cut differently. The best-known US Army ground communications jammer of the Cold War and 1990s, the AN/MLQ-34 TACJAM, worked in VHF (about 20-200 MHz) and could jam a small number of signals at a time, with something like 3-4 kW of effective radiated power; it was retired from the Army in 1999 (Forecast International; Military Review 2019). So the US system was a VHF radio jammer, not a satellite-navigation and satellite-phone jammer. Western militaries have generally treated GNSS jamming as something done by specialised or air-launched systems and not as a standard ground-brigade truck; I have not found a public Western truck-mounted equivalent in the same class. The approach is also different: This comparison is broad; it is not a capability assessment.

COST, PRODUCTION AND EXPORT

Rosoboronexport lists the price as "on request". The only figure in circulation is the Ukrainian drone regiments' estimate of about 10 million US dollars (January and March 2026), with no source given. Production is at Protek in Voronezh at an unpublished rate; see the fire claim above. I found no confirmed export customer, and the Russian-language reports of delivery to Syria are press claims. The size of the Russian fleet has never been published, so the loss counts cannot be turned into a percentage.

RUSSIAN STATUS AND MODERNIZATION

The station is still in service and still being shown in Russian state media as a component of Russian EW. I found no confirmed newer variant: searches for a "Zhitel-M" or a newer Diabazol version did not turn up any source. What the sources show is a stable product that is not being redesigned in public. The 2024 Russian media reports of Zhitel and Diabazol suppressing JDAM-ER and Excalibur are about use, not about a new model. Protek continues to sell Diabazol, and the R-330KMA control post still appears in the Diabazol listing.

The wider modernisation story is that Russian EW investment has shifted. Defence Ukraine's survey says the marginal Russian ruble now goes to cheaper, software-defined and more numerous systems (Pole-21 posts, vehicle-mounted domes such as Volnorez and Saniya, Lesochek, handheld anti-drone rifles, and a prototype named Tishina), with a US Army Military Review figure of about 5,000 lightweight counter-UAV devices a month available to the Russian military by late 2024. A heavy truck-and-trailer station like Zhitel is the older style. It remains useful where long-range GNSS denial and command-post protection are needed, and Ukrainian planners treat it as a high-value target for that reason.

STATUS IN OCTOBER 2026

WHAT IS UNCERTAIN OR DISPUTED

TIMELINE

RELATED ARTICLES

GLOSSARY

IN ONE SENTENCE

The R-330Zh Zhitel is NVP Protek's truck-and-trailer jamming station that listens from 100 to 2000 MHz, direction-finds what it hears, and jams GPS and GLONASS receivers, Inmarsat and Iridium handsets and GSM networks out to a horizon-limited 20-25 km on the ground and at least 50 km against aircraft, alone, in a pair or under a Diabazol control post, and in 2026 it is still in Russian service but is one of the most-hunted pieces of Russian electronic warfare, with at least 25 documented losses because a station that jams has to transmit.

Project Orlan // Underground Information Database