DTSH261 share the same features of tiny size, high quality sound recording and low power consumption, which make them a perfect choice for covert audio surveillance.
The sound is captured with 10 bit resolution at sampling frequencies from 8 to 22 kHz and saved to internal 4 GB memory uncompressed or with 4bit ADPCM compression.
DTSH261 features professional audio codec with 10 bit ADC for super high quality sound recording, battery charging circuit and programmable button.
DTSH261 voice recorder support Voice Activation System for batery and memory saving, circular record modes and optionally can be implemented with RTC for time scheduled recording. The distance of recording up to 12 meters in silent room with audio source 85dB.
|Voice digitization||10 bit|
|Sampling frequencies||8, 11, 16, 22 kHz|
|Compression||4 bit ADPCM|
|Speed||Up to 88 kb/s|
|Recording Frequencies||100 -10000 Hz|
|Range record||Up to 12m|
|Internal memory||4 GB|
|Recording Time (memory)||143 hours (10bit, 8Khz, μlaw)|
|Battery||Li-Pol 120 mAh|
|Recording Time (Battery)||Up to 53 hours|
|Operating Mode Select||Slide Switch|
|Type of Charger and computer connection||USB, Multi-language support|
|Power consumption depending on sample frequency:|
|VAS standby||2-2.5 mA|
|8 kHz||5.5-7.5 mA|
|16 kHz||7.7-9.8 mA|
|22 kHz||9.7 -12.7 mA|
|Sensitive microphone (mV/Pa)||30|
|Verify recording files||Digital signatures|
|Software to encrypt, decode and secure recording files||Yes|
|Dimensions ( H x W x L)||5 x 35 x 52 mm|
|Operating Temperature||0 – 45 C degrees|