The Rohde & Schwarz CMW270 is a non-signaling tester engineered for wireless device development, production, and service environments across non-cellular technologies. It delivers integrated RF generation, power measurement, and analysis capabilities for WLAN, Bluetooth®, and GNSS standards, supporting devices ranging from laptops and data cards to wireless headsets and IoT endpoints. The platform combines signal generation with modulation analysis, spectrum measurement, and network emulation functionality, enabling comprehensive RF characterization and protocol stack evaluation in a single instrument.
Technical Specifications
RF Generator
• Frequency range: 70 MHz to 3300 MHz (extendable to 6000 MHz with R&S CMW-KB036 option)
• Frequency resolution: 0.1 Hz
• Output level (70–100 MHz CW PEP): −130 dBm to −15 dBm (−10 dBm overrange)
• Output level (100 MHz–3300 MHz CW PEP): −130 dBm to −5 dBm (0 dBm overrange)
• Output level (3300–6000 MHz CW PEP): −120 dBm to −15 dBm (−10 dBm overrange)
• Maximum continuous power: +34 dBm (thermal limit)
• Maximum input DC level (RF1 COM, RF2 COM): 0 V DC
Power Meter
• Frequency range: 70 MHz to 3300 MHz (up to 6000 MHz with option)
Spectrum Analysis (FFT Analyzer — R&S CMW-KM010 option)
• Frequency range: 70 MHz to 3300 MHz (extendable to 6000 MHz)
• Dynamic range measured at FFT length 16k, 5 MHz span, 781 Hz RBW
Modulation Analysis
• Bluetooth® packet support: DH1, DH3, DH5; 2-DH1, 2-DH3, 2-DH5; 3-DH1, 3-DH3, 3-DH5
• Basic Rate measurements: frequency accuracy, drift, drift rate, deviation
• Enhanced Data Rate (EDR): numeric results with standard deviation
Timebase
• Standard: TCXO with ±5 × 10⁻⁷ frequency stability after 10 days continuous operation
• Optional high-stability OCXO (R&S CMW-B690B)
• Warm-up time: minimum 15 minutes
– Key Features
• Dual-path RF signal generation and acquisition
• Network emulation for WLAN and Bluetooth®
• WLAN support: IEEE 802.11a/b/g/n/ac/ax (SISO/MIMO, up to 160 MHz bandwidth)
• Bluetooth® SIG qualified (Basic Rate, EDR, Low Energy)
• Optional extended frequency coverage to 6000 MHz
• Thermal management supporting +34 dBm sustained operation
– Typical Applications
• Device RF characterization in development labs
• Production testing of multi-standard wireless modules
• Protocol stack validation and functional verification
• Modulation quality assessment for Bluetooth® and WLAN
• Service-level diagnostics for integrated wireless systems
– Compatibility & Integration
The CMW270 integrates with Rohde & Schwarz option modules for extended functionality, including FFT spectrum analysis (R&S CMW-KM010), extended frequency operation (R&S CMW-KB036), and precision timing (R&S CMW-B690B).
