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Radio MFHFDSC
- Type:Wireless Device
- CAS No:
- Qty in 20' FCL:
- Min. Order:
- Packaging:
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Marine hx-3000 medium and high frequency (MFHF) radio set MFHFDSC
The product description
The main purpose
This device is mainly used for high frequency communication of ships in A2 ~ A4 sea area
Main functions:
1) SSB voice communication
2) GMDSS function
A) "one-click" maritime rescue and distress alarm
B) six-way standard GMDSS distress channel duty
C) alarm message forwarding
Marine hx-3000 medium and high frequency (MFHF) radio set MFHFDSC
The product description
The main purpose
This device is mainly used for high frequency communication of ships in A2 ~ A4 sea area
Main functions:
1) SSB voice communication
2) the GMDSS function
A) one-click maritime rescue and distress alarm
B) six-way standard GMDSS distress channel duty
C) alarm message forwarding
Technical indicators
Electrical performance index of transmitting part
Frequency range: 1.6mhz ~ 30MHz(emission);0.5mhz ~ 30MHz(receiver)
Frequency error: no more than 10Hz.
Rated output power (PEP) : 150W/100W/50W;
Intermodulation distortion: better than -25dbc.
SSB automatic level control (AGC)
When the input impedance is 600 ohms, the line input: -20 ~ 10dBm;Local input: 20mV, output change does not exceed 1.5db.
SSB telephone frequency response: 300 ~ 3000Hz, better than 3dBc
Carrier suppression: J3E: > 40dB;H3E: 4.5 ~ 6dB.
Continuous operation of ship
The radio transmitter works continuously for 15 minutes under the rated power, and the change of output power relative to the rated power does not exceed 1.5db.
Receiving part of the electrical performance indicators
Frequency audio output amplitude
Headset: 1mW;
Speaker: 2W;
600 ohm linear output: 0 10dB.
Frequency error: at the end of preheating time, the frequency error does not exceed 10Hz.
Audio response: 300 ~ 3000Hz, audio variation less than 3dB.
The sensitivity
J3E: -102dbm (1.8uv), SINAD=20dB;
F1B: -112dbm (0.58uV), when BER 10-2.
Total distortion factor: 3%.
blocking
1. J3E:
1) when the useful signal is +60dBuV, the blocking signal > +100dBuV;
2) the useful signal is the sensitivity level, and the blocking signal ratio is at least greater than 65dB.
2. F1B:
1) when the useful signal is +60dBuV, the blocking signal > +100dBuV, and the bit error rate is not less than 10-2;
2) when the useful signal is sensitivity level +3dB, the blocking signal > +60dBuV, and the bit error rate is not less than 10-2.
Spurious frequency rejection ratio
J3E: > 60dB;
F1B: > 70dB, BER > 10-2.
Relative audio intermodulation: < -25db.
Conducting stray emission
9khz-2ghz: < 2 nW;
2GHz-4GHz: < 20nW.
AGC features
When the input changes by 100dB, the output changes by less than 2dB.
Input circuit protection: input 30V RMS level at the receiving end of the radio antenna for 15 minutes without damage.
Environmental adaptability requirement
Dry, dry heat temperature: + 55 ℃ or less;
Damp and hot, humid temperature: + 40 ℃ or less and 93% relative humidity, a cycle;
Temperature, low temperature, low temperature 15 ℃ or higher;
vibration
A) sinusoidal scanning frequency 2Hz to 13.2hz, displacement 1mm, vibration 2h;
B) sinusoidal scanning frequency: 13.2hz to 100Hz, acceleration: 7m/s2, vibration: 2h;
C) sinusoidal scanning frequency is 30Hz, and it vibrates on three coordinate axes for 2h;
corrosion
After 2 h salt spray environment temperature + 40 ℃ under the condition of relative humidity of 90% 95%, hold
The next 7 days is a cycle, a total of four cycles.
Noise and auditory signals
In any place 1m away from the device under test, the sound pressure detection of working noise of the device shall not exceed 60dB(A).
When the sound alarm is turned on, in any space at the front of 1m from the device under test, the sound pressure of the alarm signal is between 75dB(A) and 85dB(A).
Compass safe distance
The safe compass distance of this device is 2m.
Power supply: rated voltage 13.8v, maximum current 30A;
Weight: less than 8kg.