EM Digital Voice Recorder (DVR) is intended to record voice messages within frequency band 300-3400 Hz in flash memory. It can play back stored messages using an earphone or download the messages to a personal computer as standard sound files.

DVR EM Digital Voice Recorder has small overall dimensions and weight, long battery life, long record time (depending on a model - from 18.7 hr to 600 hr (and much more with enabled Voice Activation System (VAS)), has a high-sensitive built-in microphone (range up to 8 m) and wide dynamic range. Due to absence of moving parts the DVR is efficient in broad band of temperatures, in conditions of shaking and dust content. DVR EM Digital Voice Recorder is connected to a computer with a supplied adapter. The supplied software allows saving recorded messages as standard sound files in "wav" format with date/time stamp, to program DVR's user interface, to use a DVR for storage and carry of any computer files by size up to 128-4096 Mbytes, depending on a model.

Since EM Digital Voice Recorder has no moving parts it can safely operate in a wide environmental range and without being detected by any special equipment.

• DVR of S type provides recording capability in "Stereo" mode on two channels simultaneously.
• DVR of SM type uses external flash-memory - SmartMedia cards of different capacity.
• DVR of SF type uses external flash-memory - SmartFlash cards of different capacity.
• DVRs of remaining types — built-in flash memory.

• B7-37h (2240), B7-75h (4480), B7-150h (8960)