Rohde & Schwarz CMD55 test equipment

• Mobile-to-base station synchronization
• Location update
• Incoming call setup
• Outgoing call setup
• Mobile power level control
• Handover (channel change, timeslot change)
• Dual-band handover
• Peak power measurement
• SACCH measurement (RxLev, RxQual, power level)
• Echo test
• Call clearing by mobile
• Call clearing by network
• DC current/voltage measurement
• Phase and frequency error measurement
• Measurement of power ramp as a function of time
• Bit-error rate (BER) measurement