Tektronix SignalScout RFM151 Instruction Manual page 153

Specifications
Table 4-7: Physical characteristics
Characteristic Dimension
Height 8 in (20.32 cm)
Width 11.2 in (28.45 cm)
Depth 4 in (10.16 cm)
Weight < 8.5 pounds;
battery included
SignalScout RFM151 RF Analyzer Instruction Manual 4-11