6060B Specifications:

*Frequency range : 10kHz-1.05 GHz
*Frequency levle : +13dbm~-127dbm
*10Hz resolution
*AM and FM, internal and external
*Reverse power protection
*Non-volatile protection 
*Relative frequency and amplifier modes
*Non-harmonics spurious products less than -60dbc and harmonics less than
  -30dbc down to 100KHz
*Self test capability
*Standard : GP-IB