Specifications
▶ TRANSMITTER
• Type of emission and output : J3E(150W), F1B(100W), H3E(75W)
• Modulation : Low level balanced
• Occupied bandwidth : Within J3E(3KHz), F1B(0.5KHz)
• Two-tone distress signal : 1300, 2100Hz
▶ RECEIVER
• Sensitivity : J3E 3uV, F1B 3uV, H3E 6uV, S/N 20dB 100m/w
• Intermediate frequency : 49.455MHz, 455KHz
• Overall distortion and noise : More than 20dB
• Input impedance : 50Ω
▶ DSC WATCH KEEPING RECEIVER
• Frequency : 2187.5, 4207.5, 6312, 8414.5, 12577, 16804.5KHz
• Type of emission : F1B
• Frequency shift keying : 1700±85Hz (Mark: 1615Hz, Space: 1785Hz)
• Data transfer speed: 100 baud
• Frequency tolerance : 10Hz
▶ NBDP
• Protocol : 625, 476-4, 490, 491, 492-3 & F130 by CCIR
• Communication mode : ARQ, CFEC, SFEC
• Memory : 16M
• Middle range of frequency : 1700 Hz
• Modulation speed : 100 BAUD(ARQ, FEC MODE)
• Type of modulation : AFSK
• Frequency tolerance : Within 0.5Hz
▶ NBDP COMPONENTS(SRG-3150DN)
• NBDP TERMINAL (SN-100)
• PRINTER (DPU-414, OKI)
• KEY BOARD (SPR-8630)
