Digital Radio Communication Tester Options: B1 = OCXO reference oscillator; B4 = Fast power ramp, phase/ frequency error & BER measurement; B5 = Speech coder/Decoder; B6 = Adapter f. B6x options, GSM specific signals+trigger signals; B9 = Second RF Synthesizer; B42 = High dynamic range burst analyzer for GSM; B43 = GSM900/1800 spectrum measurements; B61 = IEEE 488 bus interface

The R&S CMD55 is a compact, portable unit capable of testing GSM mobile phones and furthermore GSM1800 and 1900 (DCS1800/1900).

The testers range of capabilities includes all signaling, generator and measurement functions required for verifying the correct operation of the DUT (Device Under Test). Thanks to its fast go/nogo tests and accurate analysis using optional extensions, CMD55 is equally well suited for R&D, production and high-end service and production.

Test capabilities to test mobile phones, the CMD simulates a GSM900, 1800 or 1900 base station. One of the two RF synthesizers available for this purpose delivers a continuous BCCH signal while the other one provides all 8 timeslots for TCH signals.

The CMD is remote-controlled via the RS-232 or IEEE/IEC-bus interface using SCPI-compatible commands.

R&S CMD55 Digital Radiocommunication Tester

Cost-effective solution for production lines

Extremely fast IEEE-bus operation for high production throughput

Versatile measurements for R&D and TQM

High flexibility due to a various choice of parameter settings

Full dynamic power ramp measurements according to GSM Recs

Very fast spectrum due to modulation measurements with 5-pole filter prepared for measurements of DECT Fixed and Portable Parts (ETSI Rec. CTR06)

Test functions:

Mobile synchronization

Location update

Incoming call setup

Outgoing call setup

Mobile power level control

Handover (channel change, timeslot change)

Peak power measurement

Spectrum due to Switching measurement (option CMD-B4 and CMD–B43)

Spectrum due to Modulation measurement (option CMD-B4 and CMD–B43)

Timing Advance measurement

SACCH measurement (eg RxLev, RxQual, power level)

Echo test

Call clearing by mobile

Call clearing by CMD

DC current/voltage measurements

Phase and frequency error measurement (option CMD-B4)

Measurement of power ramping as a function of time (option CMD-B4)

Bit-error rate (BER) and Fast BER measurement (option CMD-B4)

€ 5 500 (net) $6 600 (US)