Midland NEPTUNE 100 - Technical Specifications; Transmitter Specifications; Receiver Specifications

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ENGLISH
14 TECHNICAL SPECIFICATIONS
Channels .................................................................................All 57 international marine channels
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
Duty cycle ...............................................................................................................................5/5/90
Size........................................................................................................................72×177×146 mm
Weight (device only) .......................................................................................................... 1.380 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.......................................................................................................... < 36dBm
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%
Specications are subject to change without notice.