Model

AST01  

Dimensions

47.32×30.43×20.01 mm

Weight

30 g       

Wireless Mode

GFSK 1 Mbps and 2 Mbps            

Equivalent Isotropic Radiated Power (EIRP)

<20 dBm             

Operating Frequency

2400-2483.5 MHz           

Battery Type

LiPo 1S 

Battery Capacity

320 mAh             

Battery Energy

1.23 Wh              

Battery Voltage

3.85 V  

Charging Temperature

5 to 45° C (41° to 113° F)              

Operating Temperature

-10° to 45° C (14° to 113° F)        

Charging Time

70 mins

Operating Time

5.5 hours            

DJI MIC RECEIVER

Model

ASR01  

Dimensions

47.44×32.21×17.35 mm

Weight

24.9 g   

Wireless Mode

GFSK 1 Mbps and 2 Mbps            

Equivalent Isotropic Radiated Power (EIRP)

<20 dBm             

Operating Frequency

2400-2483.5 MHz           

Battery Type

LiPo 1S 

Battery Capacity

320 mAh             

Battery Energy

1.23 Wh              

Battery Voltage

3.85 V  

Charging Temperature

5 to 45° C (41° to 113° F)              

Operating Temperature

-10° to 45° C (14° to 113° F)        

Charging Time

70 mins

Operating Time

5 hours

CHARGING CASE

Model

ASB01  

Dimensions

103.06×61.87×41.50 mm            

Weight

162.2 g

Battery Type

LiPo 1S 

Battery Capacity

2600 mAh          

Battery Energy

10 Wh  

Battery Voltage

3.87 V  

Charging Temperature

5 to 45° C (41° to 113° F)              

Operating Temperature

5 to 45° C (41° to 113° F)              

Charging Time

2 hours and 40 mins       

Operating Time

Fully charge three devices simultaneously 1.8 times         

GENERAL

Microphone Directions

All Directions     

Frequency Response

Low Cut Off: 50 Hz - 20 kHz         

Low Cut On: 150 Hz - 20 kHz       

Max Sound Pressure Level (SPL)

114 dB SPL         

Max Input Level (3.5 mm)

-17 dBV (THD < 0.1%)    

Equivalent Noise

23 dBA 

Monitor Interface Output Power

Max Output 22mW@1kHz, 32Ω

Max Transmission Distance

250 m (FCC)      

160 m (CE)         

* Measured in an unobstructed outdoor environment free of   interference.            

OTHERS

Notes

1. Measured with FCC compliance in an unobstructed environment without interference (160 m under CE).           

2. Not supported by DJI Mic (1 TX + 1 R X), which does not include the charging case.

3. Tested with a 48,000Hz sampling rate and 24-bit mono WAV audio format.       

4. Tested with 2 transmitters connected to the receiver, without backup recording, and the receiver connected to a camera.