D7321
5G WiFi Encrypted Wireless Speaking & Voting Chairman Unit
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D7321
- Use 2.42 inch OLED screen, display voting results, volume, microphone status, power state, WiFi status, etc.
- Wide viewing angle, with high contrast 128 × 64
- Built-in rechargeable lithium battery, battery capacity 10000mAh, continuously speaking for more than 8 hours
- 128-bit AES digital encryption technology, WAP / WAP2 security connection, MAC address filtering, hidden SSID, prevent eavesdropping and unauthorized access
- High directive microphone, with windproof cover, with LED indicator ring, speech for red, wait for green
- D7321 is chairman microphone, with first priority button
- Using a low-delay technology, minimum delay is less than 20 ms; non-compressed audio transmission,
- 48K sampling rate, digital control, high quality of audio transmission
| Model: | D7321/D7322 | |
|---|---|---|
| Structure Type: | Embedded | |
| Effective Frequency Range of Gain Limitation (± 3db): | Unit A To Unit B. | 130Hz-14kHz |
| Host Line to Unit | 130Hz-14kHz | |
| Unit to Host Line | 50Hz-14kHz | |
| Speaker Power: | 1.2W | |
| Static Power Consumption: | <3.2W | |
| Maximum Power Consumption: | 4.5W | |
| Signal-to-Noise Ratio: | >81dB | |
| Crosstalk Attenuation: | >80dB | |
| Harmonic Distortion: | <1% | |
| Headphone Output: | 9dBu, 8-32 Ω, 3.5mm | |
| Operating Power Supply(Battery Pack): | DC5V is charged by Type-C port (more efficient charging in off state) | |
| MIC: | Microphone Type | Elector cardiac capacitive type |
| Sensitivity | -30dBV/pa | |
| Input Impedance | 2kΩ | |
| Equivalent Noise | 20dB(SPL) | |
| MAX. SPL. | 125dB(THD<3%) | |
| Package Dimensions: | 485×280×120mm (with two in a box) | |
| Machine Dimensions (W × D × H): | 175×133×46mm | |
| Gross Weight: | 2.0kg | |
| Net Weight: | 0.6kg | |
