Frequency Range .... 100 - 30000 kHz
Circuit Type ....... Dual Conversion Superheterodyne
IF ................. 45 MHz, 455 kHz
Selectivity(-6 dB) . 6.0, 2.4 kHz (R30 version)
                     6.0, 2.5 kHz (R30C version)
                     5.8, 2.5 kHz (R30CC version)
Sensitivity ........ 0.5 µV SSB 10 dB S/N
                     from .10-30 MHz
Stability .......... ± 20 Hz per hour -15°C to +50°C
Dynamic Range ...... >90dB AM  
Audio Output ....... 2 Watts 8 ohms
Tuning rate ........ Slow  20-100 Hz speed variable
                     Fast 100-500 Hz speed variable
Antenna Impedance .. 50 ohm SO239 or single wire 500 ohm  
Power .............. 12-15 VDC 350-600 mA
                     or with supplied AC PS
                     or ten AA cells (not supplied)
Dimensions ......... 8.26"W x 2.56"H x 7.7" D
                     210x65x195mm 
Weight ............. 2.2 lbs. (1 kg) (4 lbs. ship)