The Rohde & Schwarz CRTU-RU is a radio unit that expands the CRTU protocol tester for comprehensive testing across 2G and 3G communication standards. Operating as both protocol analyzer and system simulator, it supports GSM, GPRS, E-GPRS, WCDMA, HSPA, and GAN technologies with independent multi-channel configuration and inter-RAT handover capability. GCF/PTCRB approved for conformance, certification, and compliance testing, the CRTU-RU enables R&D validation, application testing (MMS, PoC, Video Telephony, Browsing), and automated test campaigns through powerful APIs and drag-and-drop scenario creation.
Technical Specifications
RF Generator (CW Signals)
• Frequency range: 100 kHz to 2700 MHz
• Frequency resolution: 0.1 Hz
• Frequency uncertainty: ± (timebase accuracy + frequency resolution)
• Frequency settling time: <400 µs for changes <1 kHz
• Output level repeatability (1 h warm-up): <0.01 dB (≥–80 dBm), <0.1 dB (<–80 dBm)
RF Receiver / Spectrum Analyzer
• Frequency range: 10 MHz to 2700 MHz
• Level accuracy: <1.7 dB (level ≥–106 dBm)
• Input protection: SC 13 dBm MAX; RF 2, RF 1 2 W MAX; AUX 3, AUX 4 50 W MAX; AUX 1, AUX 2 13 dBm MAX
Interfaces
• USB (dual rear/front), Ethernet (1×RJ-45), VGA monitor (15-pin D-Sub), RS-232-C serial (COM1/COM2), parallel printer (Centronics 25-pin), Control A/B (68-pin HD each), IF connectors (4×BNC), Clock reference (1×BNC)
– Key Features
• Protocol analyzer and system simulator for 2G/3G standards
• Independent multi-channel and multi-cell configuration
• Integrated power meter functionality
• Scalable technology combinations within single system
• Test automation for unattended operation
– Typical Applications
• Conformance and certification testing (GCF/PTCRB approved)
• Inter-RAT handover validation
• Application enabler testing and R&D protocol development
– Compatibility & Integration
Integrates with CRTU platform via Control connectors and IF ports. Modular design supports flexible scaling across GSM, WCDMA, and additional technologies.
