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What the Geran-4 is made of

0 documented parts, from recovered wreckage. Each part gives its marking, maker and country where known, and links the record it comes from. The system itself: Geran-4.

Sources

Reported parts

  • Turbojet engine (early) — Telefly LX-WP-160, 160 kgf (1,600 N), Telefly Telecommunications Equipment Co. (China), out of production; also Telefly TF-TJ2000A, 200 kgf, in some airframes source
  • Turbojet engine (teardown) — Chinese TJ-2000-class hobby turbojet rated for 30 hours; $20-25k in China; slip inside records test-run and sign-off at Alabuga; some engines assembled in Russia from Chinese parts source
  • Turbojet engine (autumn 2026) — Telefly replaced by a localised Russian-produced equivalent manufactured at Alabuga (HUR) source
  • Anti-jam satellite navigation — NASIR anti-jamming system with 16-element Harxon-16 CRP antenna (C4B unit); Unicore UC9810 GNSS receivers (date codes weeks 42-43/2025, 52/2025); Mini-Circuits power splitter source
  • Inertial navigation — SADRA strapdown (platform-free) inertial navigation system source
  • Magnetometer unit (autumn 2026) — DISMAG V1.1 "MOK" magnetic compass module built on a PNI Sensor (US) PNI5GA magneto-inductive sensor; reduces SADRA gyro drift source
  • Optical correlation navigation (autumn 2026) — "Susannin" optical-electronic correlation system comparing sensor images with stored references source
  • Flight controller unit (FCU) — Texas Instruments TMS320F28335 DSP, STMicroelectronics STM32F103C8T6 MCU, TI/Maxim/Analog Devices RS-232 drivers, TI VP230 CAN transceiver, CTS 50 MHz clock (2025), Micron memory; autumn 2026 unit marked "ЛвУскор Г4" source
  • Flight computer MCU (reported) — STMicroelectronics STM32H743VIT6 (Cortex-M7, 480 MHz) and Infineon AUIRF4905S MOSFET, per a Ukrainian component graphic discussed by a Russian engineering channel source
  • Telemetry tracker — Borscht Tracker V3 with Raspberry Pi 4 Model B (UK) and FTDI FT232RNL USB-UART source
  • Mesh modem — Xingkay Tech mesh modem (China); claimed 300 km range, relays control and video for other drones source
  • Cellular modems — Dedicated slot for two GSM modems with different SIM cards (one in 2025 Gerans); SIMs from Ukrainian, Russian, Kazakh, Belarusian and EU carriers source
  • Network switch — SCYTON Technology network switch (China) source
  • Camera — Built-in bay camera with day, night and IR channels, 10x optical / 32x digital zoom, cover stamped "Mini-buterbrod"; HUR lists a Honpho TS130C-01 camera (China) source
  • Seeker EO sensor and panoramic camera — Nose-mounted compact electro-optical sensor for terminal guidance; fixed forward Dahua TiOC dual-lens 180-degree panoramic camera (identified by OSINT researchers) source
  • TRANSIT BRD V2 module (autumn 2026) — Listed by HUR; function not stated source
  • Flight data recorder — Emergency flight data recorder "Svekla" (Beetroot), Russian source
  • Air data unit — Air pressure measurement unit (ADU) with Beijing Sensirt pressure sensor, TI OPA2340 op-amp, ADS122U ADC, REF195 reference source
  • Power system — Power distribution unit, battery unit, DC-DC interface module (MORNSUN URB2409S-6WR3, date code Feb 2026), FOTEK solid-state DC relay (Taiwan), Infineon MOSFETs, TI LM5117/LM5176 controllers source
  • Airframe and fuel — New reinforced airframe, wings fixed to centre section, fewer hatches; fuel tank; servo drives (maker not identified) source
  • Foreign-component summary — HUR lists 55 items (May-Aug 2026 version) and 74 items (October 2026 version) from the US, China, Switzerland, Germany, UK, Japan and Taiwan source

Part records and photos: HUR War & Sanctions, Ukraine's Defence Intelligence database of foreign components found in Russian weapons, and the other sources named on each part. A marking, date code or country is given as the source records it.