GMDSS SRG-3150DN
General	Frequence range - TX :1.6~27.5MHz (10Hz STEP) - RX :500KHz~29.9999MHz (10Hz STEP) TX/RX channel : ITU channel, 300 memory channel Frequency tolerance : Within 10HZ Type of emission : J3E, F1B, H3E Operation : Simplex & Semi-duplex Ambient temperature & Humidity : -15℃~+55℃, 95% Power supply : DC24V±15% (2.5A at Reception, 15A at Transmittion)
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 COMPONENTS(SRG-3150DN)	NBDP TERMINAL (SN-100) PRINTER (DPU-414, OKI) KEY BOARD (SPR-8695)
TRANSMITTER	Type of emission and output : J3E(150W), F1B(100W) 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 : 50?
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