Specification :
            
            
            
            
                      
                    
| Items | Parameters | 
|---|---|
| Mic Sensitivity | -37 dBV ± 2dB @ 1 KHz, 94dB SPL | 
| Wireless Modulation Mode | GFSK 2 Mbps | 
| Transmission Range | Mobile Version: Up to 1000ft (300m) for LOS/200ft (60m) for NLOS Camera Version: Up to 1000ft (300m) for LOS/130ft (40m) for NLOS | 
| Mic Polar Pattern | Omnidirectiona | 
| Frequency Response | 20 Hz–20 kHz | 
| Signal-to-Noise Ratio | > 70dB | 
| Sound Pressure Level | 115dB SPL | 
| Bit Depth | 24-bit | 
| Sample Rate | 48 kHz | 
| Battery Voltage | TX: 3.87V Camera Version RX: 3.87V Mobile Version Mobile Version Charging Case: 3.8V Camera Version Charging Case: 3.8V  | 
| Battery Capacity | TX: 97 mAh Camera Version RX: 145 mAh Mobile Version Charging Case: 750 mAh Camera Version Charging Case: 1950 mAh  | 
| Operating Time | TX: About 10 hours Camera Version RX: About 9 hours Mobile Version Charging Case: > 2 times charging for the whole set Camera Version Charging Case: > 3 times charging for the whole set  | 
| Charging Time | TX: About 1.5 hours Camera Version RX: About 1.5 hours Mobile Version Charging Case: < 1.5 hours Camera Version Charging Case: < 2 hours  | 
| Charging Temperature | 0° C to 45° C | 
| Operating Temperature | –10° C to 45° C | 
| Dimensions | TX: Approx. D26mm x 9.9mm (1.0” x 0.4”) Mobile Version RX: Approx. 40mm x 16.5mm x 9mm (1.6” x 0.6” x 0.4”) Camera Version RX: Approx. 40mm x 25.7mm x 20.5mm (1.6” x 1.0” x 0.8”) Mobile Version Charging Case: Approx. 75.8mm x 49.8mm x 35mm (3.0” x 2.0” x 1.4”) Camera Version Charging Case: Approx. 86mm x 54mm x 39mm (3.4” x 2.1” x 1.5”)  | 
| Weight | TX: Approx. 9g (0.3oz) Mobile Version RX: Approx. 6g (0.2oz) Camera Version RX: Approx. 14.8g (0.5oz) Mobile Version Charging Case: Approx. 65.6g (2.3oz) Camera Version Charging Case: Approx. 111g (3.9oz)  |