MINECOM LEAKY FEEDER
VHF Refuge Bay Radio
Model Seri: VHF-REFUGE-BAY-RADIO
Hubungi Kami
Konsultasikan kebutuhan radio komunikasi Anda dengan tim teknisi ahli kami secara langsung untuk mendapatkan penawaran terbaik.
OVERVIEW & SPESIFIKASI
VHF Refuge Bay Radio
The Refuge Bay Radio was developed to be utilized in areas allocated as places of refuge within the mine. The Refuge Bay Radio allows communication on a pre-set frequency into the Leaky Feeder System.
KEY FEATURES:
- IP65 Secure Steel Enclosure
- External Amplified Speaker
- Link Isolated Radio Nets by Fibre
- (Optional) Drop Bar Locking Tab
- (Optional) RX Indicator LED
The Refuge Bay Radio was developed to be utilized in areas allocated as places of refuge within the mine. The Refuge Bay Radio allows communication on a pre-set frequency into the Leaky Feeder System.
DESCRIPTION
Refuge Bay Radio System Components
- A steel enclosure which securely houses the radio, power supply and battery
- A VHF radio
- External high power speaker
- 220V AC Power Supply with battery backup
- Optional drop bar locking tab
- Optional RX indicator LED
The entire unit is fitted into an IP65 rated steel enclosure. The front panel of the unit has a PTT switch, microphone position and High power audio speaker which enables miners to communicate in the high noise environments effectively.
SPECIFICATIONS:
| Frequency | VHF 174MHz | FM Hum and Noise | 46/40dB typ. (Wide/Nrrow) |
| Number of channels | 16 Channels | Hum and Noise (without CCIT filter) | VHF 75dB typ. |
| Type of emission | 16K0F3E/11K0F3E | Audio harmonic distortion | 1.0%/1.5%typ. (Wide/Narrow) |
| Channel spacing | 12.5/25kHz | Sensitivity (at 12dB SINAD) | 0.25μV typ. |
| PLL channel step | VHF 2.5/3, 125kHz | Adjacent channel selectivity | VHF 78/70dB typ. |
| Antenna impedance | 50 Ohms | Spurious response rejection | 70dB min |
| Operating temperature range | -30 deg C to +55 deg C | Intermodulation rejection | VHF 54/50dB typ. |
| Output power (at 7.2 V DC) | VHF 5W, 2W, 1W | Transmitter power | 30 dBm (1 Watt) |
| Max frequency deviation | ±5.0 kHz/±2.5kHz (Wide/Narrow) | Power supply requirements | 86 – 240 Vac |
| Frequency stability | ±2.5ppm | Unit size (Excluding Antenna) | 230 x 210 x 250mm |
| Spurious emissions | 70dB min. | Weight | 8.4 kg |
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VHF Refuge Bay Radio