Users Manual Part 3

84
FB250 - Marine Satellite Communication System
Chapter 9. Specification
9.1 Technical Specication
Above Decks Unit (ADU)
ADU Height 295 mm (11.61")
ADU Diameter Ø291 mm (11.45")
ADU Weight 4.5 kg (9.92 lbs) (TBD)
Rx
Frequency 1518.0 ~ 1559.0 MHz L-Band
Gain 10.8 dB
Tx
Frequency 1626.5 ~ 1675.0 MHz L-Band
Gain 11.3 dB
RF Output power 34.1 dBm
Polarization RHCP (Rx and Tx)
G/T -15.5 dB/K
EIRP 15.1 dBW
Axial Ratio <4 dB
Antenna Motion -25 ~ 115°
Ship's Motion
Roll ± 30° / 4 s
Pitch ± 15° / 3 s
Yaw ± 10° / 5 s
Turning Rate 36°/sec and 12°/s²
Headway 30 knots
GNSS GPS, GLONASS, Galileo
ADU to BDU Cable (Antenna Cable) Single RF Cable
Input Power 48 V DC supplied from BDU over RF Cable
Below Decks Unit (BDU)
BDU Size 315 x 190 x 42 mm (12.4" x 7.48" x 1.655")
BDU Weight 1.5 kg (3.3 lbs) (Stand-alone Type)
LED Indicator 3 LEDs for Power, Tracking, Event
Wi-Fi
802.11 b/g
Frequency : 2400 MHz - 2483.5 MHz
Output Power : below 30 dBm (10 mW/MHz in Korea,
Japan)
Max. Antenna gain: 2 dBi
SIM
1 ea, 2FF Push-Push type with locking
structure
User Authentication
Ethernet 4 ea, RJ45 Female TCP/ IP Connection, including 2 Port PoE
RF Interface 1 ea, TNC Female Sub-System Connection to ADU
Analog 1 ea, RJ14 Female Analog Phone