DR482 is a compact, tough and versatile UHF repeater that delivers a 100% transmit duty-cycle for both Land and Maritime applications.
Entel’s simple, yet robust and powerful DR482 repeater, is ideal for demanding applications both on land or at sea.
Key features
In development
Physical |
|
|---|---|
| Size (HxWxD) | 95 x 220 x 375 mm (main body only) |
| Weight: | 3.8 kg |
| Temperature Range (Operational): | -30°C to +60°C (fan unrestricted) -30°C to +55°C (fan dust filter fitted) |
| Temperature Range (Storage): | -40°C to +70°C |
| Relative Humidity: | Up to 95% (non-condensing) at 50°C |
| Antenna Connectors(Two Antenna Working): | Tx: N-Type female Rx: BNC female |
| Antenna Connectors(With Optional Duplexer): | Tx/Rx: N-Type female |
| Power Connectors: | AC:Fused IEC C14 (fits IEC C13 cable) DC: Molex Mini-Fit Sr. 2-Circuit Plug |
RF General |
|
|---|---|
| Mode of Operation: | Full-Duplex Repeater |
| Number of Channels: | 1 |
| Frequency Range: | 400-470 MHz |
| Channel Bandwidth: | 12.5 kHz or 25 kHz |
| Supported Modes of Operation: (Auto-switches between modes) |
Analogue FM Conventional DMR Tier II (TS 102 361-1 and -2) |
Tramsmitter |
|
|---|---|
| Rated Output Power: | 1–25W (adjustable) |
| Transmitter Duty Cycle: | Continuous Duty |
| Frequency Stability: | |
| Intermodulation Attenuation: | >40 dB |
| Adjacent Channel Power: (ETSI & TIA603E) | 12.5kHz: >60 dB 25kHz: >70 dB |
| FSK Modulation Fidelity (DMR): | Frequency: |
| Max Freq Deviation / Modulation Limiting: (Analogue FM) | 12.5kHz: ±2.5 kHz 25kHz: ±5.0 kHz |
| Spurs & Harmonics (Conducted and Radiated): | 1GHz: |
| FM Hum & Noise: | 12.5kHz: |
Power Supply |
|
|---|---|
| Power Supply Type: | Switching |
| Input Power Modes: | AC only AC with DC-revert upon AC-failure DC only |
| Input Voltage(AC): | UK/Euro: 230 VAC ±10%, 47-53 Hz Americas: 110 VAC ±10%, 57-63 Hz |
| Input Voltage(DC): | 12.0–15.0 VDC |
| Typical Input Power: (25°C, VSWR fully charged or absent) |
AC: Standby:18 VA 25W Tx: 130 VA 1W Tx:40 VA |
| Backup Battery Charge Scheduling: | Batt Charging during Standby Charging suspended during Tx |
| Backup Battery Charge Current: | 1A @ Vbatt 3A @ 11.5VDC Up to 3A @ Vbatt = 13.8VDC |
Receiver |
|
|---|---|
| Frequency Stability: | |
| Sensitivity: | Analogue: 12dB SINAD |
| Adjacent Channel Selectivity: | ETSI: 12.5kHz >60dB, 25kHz >70dB TIA603E: 12.5kHz >65dB, 25kHz >75dB |
| Blocking / Desensitisation: | ETSI: >84dB TIA603E: >84dB |
| Intermodulation Response Rejection: | ETSI: >70dB TIA603E >75dB |
| Spurious Response Rejection: | ETSI: >70dB TIA603E: >75dB |
| Spurious Emissions (Conducted and Radiated): | >1GHz: |
