Description
Overview
Consist of DHI-HY-1801 and DHI-HY-1901
DHI-HY-1901
> Working Voltage: DC20V～DC28V
> Output Current: 0.5A
> Address Range: From 1 to 126
> Communication Distance: 2000 m
> Voice Frequency: 300Hz～3400Hz (±3db)
> Transmission Attenuation: ≤5 dB
> Call recording: 24 min
> Event Recording: 999 records
DHI-HY-1801
> Mains Input: AC187V～AC242V
> Recording Duration: 30min
> Output Voltage: 120VAC
> Harmonic Distortion: ≤5%
> Frequency Response: 80Hz～8KHz (±3db)
> Signal-to-noise Ratio: ≥70dB
> Rated Output Current and Power: 2.92A/350W
> Broadcasting Modes: EMER Radio, MIC, U-disk, and AUX
Technical Specification
| DHI-HY-1801 | |
|---|---|
| Main Power Supply | AC220V/50Hz |
| Output Voltage | Fixed voltage output 120VAC |
| Rated Output Current and Power | 2.92A / 350W |
| Recording Duration | 30 min |
| Signal-to-noise Ratio | ≥ 70 dB |
| Dimensions | 318 mm × 245 mm × 127 mm |
| Operating Temperature | 0°C to +40°C |
| Operating Humidity | ≤ 95% RH (no condensation) |
| Installation | Standing cabinet |
| DHI-HY-1820 | |
| Rated Power | 3 W |
| Rated Voltage | AC 120V |
| Sensitivity | 83±2 dB (1m, 1W) |
| Color | White |
| Dimensions | Φ194 mm × H60 mm |
| Operating Temperature | 0°C to +40°C |
| Operating Humidity | ≤ 95% RH (no condensation) |
| Installation | Surface-mounted |
| DHI-HY-1821 | |
| Rated Power | 3 W |
| Rated Voltage | AC 120V |
| Sensitivity | 83±2 dB (1m, 1W) |
| Color | White |
| Dimensions | Φ184 mm × H61.1 mm |
| Operating Temperature | 0°C to +40°C |
| Operating Humidity | ≤ 95% RH (no condensation) |
| Installation | Ceiling-mounted |
| DHI-HY-1822 | |
| Rated Power | 3 W |
| Rated Voltage | AC 120V |
| Sensitivity | 83±2 dB (1m, 1W) |
| Color | White |
| Dimensions | Φ184 mm × H61.1 mm |
| Operating Temperature | 0°C to +40°C |
| Operating Humidity | ≤ 95% RH (no condensation) |
| Installation | Wall-mounted |
