[DTR223] Digital UHF Wireless Receiver -4 Channel [2026 MR]
Introduction
A excellent digital UHF receiver to suitable for meeting room.
- Code: MR (MeetingRoom).
- Based on the DT220 TECH PLUS platform.
- Optional model 530-590Mhz / 640-700Mhz, with two ways frequency band filters in the circut.
- Optional model for 2 Channels / 4 Channels
All excellent parameters to match the requirements from performance scenarios.
- SN > 105dB.
- Dynamic Range > 105dB.
- Floor Noise Voltage < 20uV.
- Frequency response : <3dB (20 ~20KHz)
- Cross mode ture Diversity.
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- Not Supports Acoustics Measurement.
Parameters
| Product Name | Digital UHF Wireless System -2CH/4CH Receiver [MR Meeting Room] |
| Model | DTR223-2MR-5359/6470 DTR223-4MR-5359/6470 |
| Communication Mode | Digital Audio UHF Wireless Communication |
| Technology Platform | DT240 TECH |
| Modulation Method | PSK |
| Carrier Frequency | 530~590MHz / 640-700MHz , Varies by Region |
| Sampling Rate | 48K |
| Wireless Transmission Distance | / |
| Sensitivity | >-96dB |
| Distortion | ＜0.03%（@1KHz） |
| Frequency Response | 20Hz~20KHz |
| Frequency Response | <3dB(@off); <3.5dB(@24V): <4.5dB(@48V)； |
| Delay | 4.17ms |
| Maximum Concurrency | 30CH/100Mhz Band |
| Bite Number | 24Bit |
| Effective Bite Number | 18Bit |
| Signal-To-Noise Ratio | >105dB |
| Dynamic Range | >105dB |
| Background Noise | <20uV |
| Number Of CH | 2CH / 4CH |
| Effective Transmission Distance | 2ANT Cross Backup True Diversity (Cross Backup) |
| Effective Transmission Distance | 80M (Depending on Radio Environment & Configuration) |
| Antenna | Whip Antenna (External) |
| Screen | OLED Full-Color Screen |
| Powered By | 2CH : DC 12V&1A 5W 4CH : DC 12V&1A 10W |
| Power Interface | 5.5mm Port |
| Weight | 2CH : 2050g (Excluding Antenna) 4CH : 2150g (Excluding Antenna) |
| Size | 2CH : 480mm*200mm*45mm (1U) 4CH : 480mm*200mm*45mm (1U) |
| Color | Black |
| Material | Cast Iron |
| Storage Temperature | -5°C ~ 45°C (and Battery Related to) |
| Other Functions | -15°C ~ 45°C (and Battery Related to) |
This device does not support OTA upgrades. If a firmware update is needed, please contact your local dealer or email sales@infosvc.biz.
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