PSM 900 System Specifications
| RF Carrier Range | 470–952 MHz (regionally dependent) |
| Compatible Frequencies | 20 per band |
| Tuning Bandwidth | 36 MHz – 40 MHz (regionally dependent) |
| Operating Range (environment dependent) | 90m (300ft) |
| Audio Frequency Response | 38Hz – 15kHz |
| Stereo Separation | 60 dB |
| Signal-To-Noise Ratio (A-Weighted) | 90 dB (typical) |
| Total Harmonic Distortion
(ref. ±34 kHz deviation @1 kHz) |
<0.5% (typical) |
| Companding | Patented Shure Audio Reference Companding |
| Spurious Rejection (ref. 12 dB SINAD) | >80 dB (typical) |
| Frequency Stability | ±2.5 ppm |
| MPX Pilot Tone | 19 kHz (±0.3 kHz) |
| Modulation | FM, ±34 kHz deviation (nominal), MPX Stereo |
| Operating Temperature | -18°C – +57°C |
