Sealink HUAXUN hx-3000 MF/HF DSC GMDSS
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Product Description
Sealink HUAXUN hx-3000 MF/HF DSC GMDSS
The main purpose
This device is mainly used for ship medium and high frequency communication in A2 ~ A4 sea area
Main functions:
1) SSB voice communication
2) the GMDSS function
A) one-button maritime rescue and distress alarm
B) six channel standard GMDSS distress channel
C) forwarding of alarm information
Technical indicators
Part of the emission of electrical performance indicators
Frequency range: 1.6mhz ~ 30MHz(emission);0.5mhz ~ 30MHz(receiving)
Frequency error: not more than ±10Hz.
Rated output power (PEP) : 150W/100W/50W;
Intermodulation distortion: better than -25 DBC.
SSB automatic level control (AGC)
When input impedance is 600 ohm, line input: -20 ~ 10dBm;Local input: ≤20mV, output change no more than ± 1.5db.
SSB frequency response: 300 ~ 3000Hz, better than 3dBc
Carrier suppression: J3E: > 40dB;H3E: 4.5 ~ 6dB.
Telephone continuous operation
The radio transmitter works continuously for 15 minutes at the rated power, and the output power changes no more than ± 1.5db relative to the rated power.
Receiving part of electrical performance indicators
Frequency audio output amplitude
Earphone: ≥1mW;
Speaker: ≥2W;
600 ohm linear output: 0±10dB.
Frequency error: after the end of preheating time, the frequency error shall not exceed ±10Hz.
Audio response: 300 ~ 3000Hz, audio change is less than 3dB.
The sensitivity
J3E: -102dbm (1.8uv), SINAD=20dB;
F1B: -112dbm (0.58uV), 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 normally sensitive, and the blocking signal's sensitivity level is at least 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
Starting from twice the reference sensitivity, the output change is less than 2dB when the input change is 100dB.
Input circuit protection: radio receiver antenna input 30V RMS level 15 minutes without damage.
Environmental adaptation requirements
Dry heat: dry heat temperature: ≤+55℃;
Humid heat: humid heat temperature: ≤+40℃, relative humidity 93%, one cycle;
Low temperature: low temperature temperature: ≥-15℃;
vibration
A) sinusoidal scanning frequency: 2Hz to 13.2hz, displacement ±1mm, vibration 2h;
B) sine scanning frequency: 13.2hz to 100Hz, acceleration: 7m/s2, vibration: 2h;
C) sine scan frequency is 30Hz, and vibration is 2h on the three axes;
corrosion
2 hours after salt spray, in the environment temperature +40℃ relative humidity 90%-95% conditions, hold
The period lasts for 7 days, and there are four periods in total.
Noise and auditory signals
At any place 1m away from the device under test, the sound pressure of working noise of the device shall not exceed 60dB(A).
When the sound alarm is turned on, the sound pressure of the alarm signal is between 75dB(A) and 85dB(A) in any space 1m in front of the device under test.
Compass safe distance
The safety distance of the compass in this device is 2m.
Power supply: rated voltage 13.8v, maximum current 30A;
Weight: less than 8kg.
Contact Us
- Guangzhou Guyang Electronic Products Co., LTD
- Contact nameAndy
- AddressLIWANWAN Chaozhou,Guangdong
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