Technical Specifications - Midland neptune User Manual

14 TECHNICAL SPECIFICATIONS

Channels .................................................................................All 57 international marine channels,
................................. see section 15, with programming for ships under flag of Norway, Denmark,
........................................................................................................................Finland, Great Britain,
..................................the Netherlands and Belgium following special usual channels are possible:
...........................................................................channels 31, 96H, 37A, P4, L1, L2, L3, F1, F2, F3.
Frequency generation.............................................................................................. PLL synthesizer
Frequency range ......................................................................... TX from 156.025 to 157.424 MHz
..................................................................................................... RX from 156.300 to 162.000 MHz
Antenna Impedance .............................................................................................................50 Ohm
Power supply......................................................................................................................... 12 Vdc
Operating temperature .................................................................................... from -15°C to +55°C
Size (HxLxW) ..........................................................................................................70x160x170 mm
Weight (device only) ........................................................................................................... 1.305 Kg
14.1 Transmitter
Output power .......................................................................................High (HI): 25W/Low (LO):1W
Modulation Type .......................................................................................................................... FM
Microphone ..............................................................................................................condenser type
Hum and noise attenuation ...................................................................................................... 34dB
Audio distortion ........................................................................................................................... 5%
Harmonics reduction ........................................................................................... HI: 80dB/LO:60dB
14.2 Receiver
Sensitivity @ 20 dB Sinad...................................................................................................... <0.5µV
S/N ratio (20dB)....................................................................................................................... 0,8µV
Squelch sensitivity................................................................................... threshold -12dBµV (EMF)
Adjacent channel rejection ....................................................................................................... 70dB
Audio output power...................................................................................................>2W su 8 Ohm
Audio distortion ......................................................................................................................... 10%
Note: these values are average. Actual values may be subject to variation.
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