Radio Buoy - Powerbox.

Radio buoy - Powerbox.
It makes to direct finding of subject, in which is bulit-in. (car, electornics products, device, machinery ...).  It operates in underground garages, in water, under groung, in hangers, where are GPS and GSM system out of order.
Range in  open area: cca 50 - 70 km
In town buildings: 5 – 10 km
Accuracy  of finding: cca 20 – 30 cm
Transmission: 1 - 5 ms (selectable)
pause: 5 - 60 second(selectable)
frequency: stabilized by crystal

in band:
140 - 170 Mhz ......   type A
400 - 470 Mhz ......   type B
800 - 1200 Mhz .....  type C
Om customer’s request ......  type D
27 - 3600 Mhz .....  type S
exploit: 500 mW - 5W (selectable)
Power: 12V
Range of operating temperatures: – 50°C + 120°C
Size: 62 x 34 x 17 mm