Shure GLXD14+

System Specifications
Compatibility With Frequency Manager: Up to 11 compatible systems in typical setting, and up to 16 under ideal conditions
Without Frequency Manager: Up to 4 compatible systems in typical setting, and up to 8 under ideal conditions
System Operating Range Indoors: Up to 30 m (100 ft.) typical, with a maximum of 60 m (200 ft.) under ideal conditions
Outdoors: Up to 20 m (65 ft.) typical, with a maximum of 50 m (165 ft.) under ideal conditions
Transmit Mode Shure Proprietary Digital - Dual Band (2.4 GHz and 5.8 GHz)
Audio Frequency Response 20 Hz – 20 kHz Note: Dependent on microphone type
Dynamic Range 120 dB, A-weighted
RF Sensitivity -88 dBm, typical
Total Harmonic Distortion 0.07%, typical
RF Output Power 10 mW E.I.R.P. max
Operating Temperature Range -18°C (0°F) to 57°C (135°F) Note: Battery characteristics may limit this range.
Storage Temperature Range -29°C (-20°F) to 74°C (165°F)
Polarity Positive pressure on microphone diaphragm (or positive voltage applied to tip of WA302 phone plug) produces positive voltage on pin 2 (with respect to pin 3 of low-impedance output) and the tip of the high impedance 6,35 mm output.
Battery Life Up to 12 hours