The IFR Aeroflex 2303 Stabilock is a dedicated TETRA mobile station tester for field service and maintenance of TETRA radios. It delivers comprehensive transmitter and receiver measurements across dual frequency bands, supporting trunked and direct mode operation with integrated signal generation and spectrum analysis. Portable at 3.5 kg and powered by AC, DC, or battery, the 2303 enables rapid validation of radio performance against TETRA standards.
Technical Specifications
Frequency Coverage
• 370 to 470 MHz
• 800 to 960 MHz
RF Power Ranges
• Output level: −120 dBm to −50 dBm
• Input level: −20 dBm to +40 dBm
Duplex Spacing Modes
• 0 MHz (DMO)
• 10 MHz
• 45 MHz
Modulation Support
• Types: AM, FM, PM, Pulse, FSK, PSK
• Bandwidth: Up to 20 MHz
Power Supply
• AC: 100 to 240 V
• DC: 11 to 15 V
• Optional battery operation
• Consumption: < 50 W
– Key Features
Transmitter Analysis
Average power, carrier frequency offset, glitch parameters, burst power profiling, timing error, residual carrier, unwanted output power, vector modulus error (EVM), modulated spectrum, IQ modulation, and real-time constellation mapping.
Receiver Validation
Bit error rate, message error rate, and sensitivity measurements across call and paging modes.
Communication Modes
Trunked Mode Operation (TMO), Direct Mode Operation (DMO), and Short Data Service (SDS) including user-defined, status, and location information protocol variants.
Integrated Instruments
Signal generator, spectrum analyzer, tracking generator, power meter, and frequency counter.
– Compatibility & Integration
RF Interface
N-type female connectors.
Data Connectivity
USB (PC peripherals and storage), LAN (TCP/IP for remote control and firmware updates), RS-232 (instrument communication).
Synchronization
Frame sync input and output for multi-unit coordination.
