The Rohde & Schwarz CBT32 is a rack-mountable Bluetooth tester engineered for RF and audio measurements across R&D, quality assurance, and production environments. Built on proven CBT hardware and software architecture, it delivers high-speed parallel signal processing for production throughput while supporting remote control operation. The unit performs transmitter and receiver measurements across Bluetooth Core Specifications v1.1 through v4.2, including Bluetooth Low Energy, without requiring external test equipment.
Technical Specifications
Bluetooth Support
• Bluetooth Core Specifications: v1.1, v1.2, 2.0, 2.1, 3.0 + HS, 4.0, 4.1, 4.2
• Profiles: A2DP Stereo (SBC Codec), Handsfree, Headset
• Modes: Basic Rate, Enhanced Data Rate (EDR), Bluetooth Low Energy (BLE)
RF Parameters
• Frequency Range (RF Menu): 2398 MHz to 2499 MHz
• Frequency Range (Bluetooth Menu): 2402 MHz to 2495 MHz
• Frequency Range (BLE Menu): 2402 MHz to 2480 MHz
• Frequency Resolution: 1 MHz channel spacing
• Frequency Offset: ±250 kHz range, 1 kHz resolution, ±5 Hz uncertainty plus time base drift
• Power Measurement Range: –25 dBm to +22 dBm (continuous PEP), +26 dBm (400 mW peak)
• VSWR (RF IN/OUT): < 1.5
Dirty TX Specifications
• Basic Rate & EDR: Symbol time error ±20 ppm (1 ppm resolution), FM deviation ±0.5 kHz
• Bluetooth Low Energy: Modulation index 0.40 to 0.60 (±1 % uncertainty), symbol time error ±50 ppm
– Key Features
• Single test cycle combines power, modulation, frequency, BER, and spectrum measurements
• Integrated spectrum measurements eliminate need for external analyzers
• Establishes ACL links for power and frequency accuracy without test mode activation
• Packet error rate (PER) testing for receiver sensitivity estimation
• Displays DUT parameters including device name, version numbers, service class, and feature support
• TX/RX measurements for both basic rate and EDR packets
– Typical Applications
Production testing of Bluetooth devices with inline RF and audio validation. Quality assurance verification of Bluetooth Low Energy implementations. Transmitter and receiver characterization during product development.
