the R-123M, R-123MT and R-405 radio sets, the AB-2-0 generator mounted behind the turret and the F-1301 electronic telegraph. Turret has been blanked-off. LBGS(B) (LBGS stands for Leitungsbaugerätesatz) – SPW-60PB converted into telephone cable layer. It is also known under the designation LBT. R-137B – SPW-60PB converted into a signals vehicle. Differs externally from Soviet type and has some components from local production including the FF63M field telephone set. R-140BM – SPW-60PB converted into a signals vehicle equipped with R-140M SW radio set, two movable whip antennas in the rear, a 10 m high telescopic mast and the AB-4-T/230-M1 generator. It differs externally from its Soviet counterpart and incorporates some components produced locally including the EKD 315 SW receiver. R-409BM – SPW-60PB converted into a radio-relay station equipped with 2 R-409MA semi-sets, free receivers: the R-326, the R-123MT, the P-303-OB and the AB-2-0/230-M1 generator. R-145BM/AKL1 – SPW-60PB converted into a signals vehicle. It is a R-145BM equipped with an additional R-870M set. R-145BM/AKL2 – Signals vehicle. As R-145BM but with additional R-809M2 set. R-145BM/L1 – Signals vehicle. R-145BM/L2I – Signals vehicle with radiosets R-111, R-123MT, R-130M, R-809M2, R-859D and R-863 of −802 P-238BT – Switchboard vehicle (kompleksnaya apparatnaya telegrafnoj svyazi) SAS- and Chiffrier Services P-239BT – Switchboard vehicle (kompleksnaya apparatnaya telegrafnoj svyazi) SAS- and Chiffrier Services P-240BT – Switchboard vehicle (kompleksnaya apparatnaya telefonnoj svyazi) SAS- and Chiffrier Services P-241BT – Switchboard vehicle (kompleksnaya apparatnaya telegrafnoj svyazi) SAS- and Chiffrier Services Iran Sedad – Version of the BTR-60PB with the turret replaced with a 23 mm ZU-23-2 cannon installed with an optical device and CCD camera to allow the gunner to fire from inside the vehicle with day/night firing capability. Shahram – Modified BTR-60PB as a nuclear, radiological, biological and chemical (NRBC) detection lab. Has a single door on the left side of the hull, turret replaced with a range of detection and optics as a camera mounted on a mast, and a remote weapon station with a 7.62 mm machine gun and a bank of four smoke grenade dischargers on each side at the front of the hull. Heidar-5 – Minelayer version of the BTR-60PB with turret and crew compartment removed to place an automatic firing unit. The mine launching assembly has 18 mine launcher units mounted on each side of the hull, with each mine launcher unit having two preloaded magazines, each of which holds two anti-tank or anti-personnel