BTM Antenna (ABTM)
ABTM for MTPS
The BTM Antenna (ABTM) is placed on the rolling stock underbody and picks-up information sent via the balise group met along the path by the rolling stock. The BTM Antenna shall provide a Tele-powering signal used for activating Up-link Balises. The Balise shall generate a magnetic field that shall be picked up by the On-board Antenna Unit.
BTM Antenna Technical Data
Dimensions (including fix connectors): 400 mm (W) x 134 mm (H) x 520 mm (D)
Dimensions (including fix and loose connectors): 400 mm (W) x 214 mm (H) x 520 mm (D)
Weight: 12 Kgms
Operating temperature: [-40°C; +70°C]
Transport temperature: [-40°C; +85°C]
Storage temperature: [-40°C; +85°C]
Height: 1800m asl
Annual average humidity: ≤ 75%
Maximum humidity over a period of 30 consecutive days: ≤ 95%
Handling mode: Mobile
Transmit Power Output: Magnetic field < 42 dBµA/m at 10m, with BTM Antenna
Transmission Frequency: 27.095 MHz
Receiving Frequency: 3.951 MHz – 4.516 MHz
Protection Degree: IP65
MTBF and standards
INTERFACES
