tender for supply of ground penetration radar , ground penetration radar , parameters specification gps integrated (via usb) data acquisition data format gpr 1, gpr 2, segy, segz output data format 32- bit number of samples per scan 256,512,1024,2048,4096,8192,16832 operating modes continuous (time) or survey wheel (distance triggered) or point mode time range 0-25,600 nanoseconds full scale, user selectable; gain:manual adjustment standard real time filters finite impulse response (fir) band pass, adaptive background removal automatic antenna recognition automatic antenna recognition of all antennas languages russian, english operating temperature -20°c to 60°cexternal battery (2 pieces) li pol 5 ah/14.8v transmit rate upto 800khz available ports antenna inputs (one or two at a time), dc power input, survey wheel connector, usb 2.0 port - 3 pcs usb host usb host with external keyboard support, usb flash drive support and usb hub support mechanical dimensions 35 x 24 x 7 cm weight 5 kg (including battery) relative humidity 95% non-condensing storage temperature -30 ?c to 60 ?c shielded antenna frequency of antenna 250 mhz and 700 mhz depth of scanning 8m, 3m resolution 0.25m, 0.1m overall dimension 74 x 45 x 19cm weight 11kg power consumption 7.8 w