vehicle. The specialized equipment consist of an automatic gas detector GSA-12, a dosimeter DP-5V, a Geiger counter DP-3B, decontamination apparatus DK-4K and semi-automatic detection devices PPKhR and VPKhR. The vehicle retains the original armament. The regimental chemical defence platoon and the divisional-level chemical defence company use it, as does the divisional reconnaissance battalion. It was also known under designations BRDM-2RKhA, BTR-40P-2RKh and BTR-40PB-RKh. BRDM-2RKhb – improved model that can also be used for biological reconnaissance, thanks to specialised equipment including the DP-5B Geiger counter and biological aerosol detector ASP. BRDM-2RKhb doesn't have the firing ports. This model has twin 7.62 mm PKT general-purpose machine guns instead of the 14.5 mm KPVT heavy machine gun and 7.62 mm PKT coaxial general-purpose machine gun and usually carries only one KZO-2 dispenser. It was also known under designation BRDM-2RKhB. BRDM-2UM (mashina upravleniya) – command vehicle without turret; however, it carries a 1 kW generator and extra radios (two R-123 and an R-107, or according to other sources one R-105M, one R-108M and one R-130M). On either side of the upper hull there is a big antenna base. Contrary to general Western belief, this is actually a very rare vehicle primarily built for export. 9P122 "Malyutka" – ATGM launcher vehicle with 6x9M14M "Malyutka-M" (AT-3B Sagger B) on an elevatable mount with overhead cover. A total of 14 missiles are carried on board. This model is found in regimental and divisional anti-tank units of MRDs, the anti-tank regiments of combined arms armies (CAA), and in the anti-tank regiment or brigade in the artillery division of a front. It has a crew of 2. 9P133 "Malyutka" – this is an improved model with bigger sight 9S446 instead of the original 9S414. The 9P133 can launch the more capable 9M14P "Malyutka-P" (AT-3C Sagger C) and 9M14P1 missiles of which it carries from 16 to 18. It uses SACLOS guidance system. The vehicle also has additional windscreen on the front between the drivers windscreen and the sight mounting. 9P124 – ATGM carrier vehicle with 4 radio-guided 9M17M "Skorpion-M" (AT-2B Swatter B) AT missiles on an elevatable mount with overhead cover. In the hull are four more missiles. It uses MCLOS guidance system. The 9P124 has a crew of 2. It was also known under designation BRDM-3. 9P137 "Flejta" – improved model that uses the 9K8 "Flejta" system which allows usage of 9M19P ATGMs with SACLOS instead of MCLOS