A VHF Distributed Antenna System (DAS) is a specialized communication infrastructure designed to enhance and extend radio frequency coverage in the VHF range. VHF frequencies typically range from 136 to 174 MHz, and VHF DAS plays a crucial role in public safety communication, particularly for first responders and emergency services operating in large buildings, tunnels, or areas with limited coverage. VHF DAS consists of two-stage system, that is:
Frequency Range, MHz | : | 146-163 |
Maximum Input Power (Downlink), dBm | : | ≤ 10 |
VSWR | : | <1.5 |
Number of Optical Output Ports | : | 8 |
Impedance, Ω | : | 50 |
Power Consumption, Watt | : | ≤150 |
Mounting | : | Rack Mounted |
Remote Optical Unit (ROU):
Frequency Range, MHz | : | 146-163 |
Gain, dB | : | 40±3 |
DL output power, dBm | : | 33 |
VSWR | : | <1.5 |
Impedance, Ω | : | 50 |
Power Consumption, Watt | : | ≤150 |
Mounting | : | Wall Mount |