250W Marine MF & HF Radio Equipment

250W Marine MF & HF Radio Equipment

Features:

1. Fully complies with GMDSS requirements, IMO resolutions A.804(19) and A.806(19), suitable for radio installations of vessels navigating A2, A3, and A4 sea areas

2. Inadvertent distress alert protection: the distress button is protected by a cover to prevent inadvertent distress alert transmission

3. Built-in Battery charger 　

4. A built-in high grade self-check function

5. Built-in dummy load for ATU self-check

6. Outdoor installable antenna tuning unit

Specifications:

• General

1. Frequency range: transmit: 1.6 to 27.5MHz, receive: 0.1 to 29.9999MHz (100Hz steps)

2. Frequency tolerance: ±10Hz or better

3. User definable channels: 200 channels (10 groups)

4. Preset ITU channels: 1722 channels (TEL: 283, DSC: 29, TLX: 891, CW:519)

5. Scanning channel: 20 user defined channels

6. Communication mode: simplex and semi-duplex

7. Antenna impedance: 50Ω

8. Operating temperature: -15℃ to +55℃

9. Supply power: 90 to 132VAC/180 to 264VAC, single-phase, 50/60Hz

10. Power consumption: Tx: 30A max. , Rx: 7A max.

11. Compass safe distance: 1.5m

• Transmitter

1. Output power:

AC power source: 200Wpx (1.6 to 4MHz), 250Wpx (4 to 27.5MHz)

DC power source: 100Wpx (1.6 to 4MHz), 150Wpx (4 to 27.5MHz)

2. Occupied bandwidth:

J3E (TEL): 3KHz or better

F1B (DSC/TLX), A1A(CW): 05.KHz or better

• Receiver

1. Receiving system: triple superheterodyne

2. Intermediate frequencies: 70.455MHz, 455Mhz, 20.217MHz

3. Sensitivity(SINAD 20dB):

J3E (TEL): 6.3uV or better (1.6 to 4MHz), 3.5uv or better (4 to 27.5MHz)

F1B (DSC/TLX): 1.8uV or better (1.6 to 4MHz), 1.0uV or better (4 to 27.5MHz)

4. Selectivity:

J3E (TEL): 6dB bandwidth 2.4 to 3KHz, 66dB bandwidth within ±2.1KHz

F1B (DSC/TLX): 6dB bandwidth 270 to 300Hz, 60dB bandwidth within ±550Hz

5. Clarifier range: ±200Hz in 1Hz steps

• DSC Watch Keeping Receiver

1. Receiving frequencies: 2187.5KHz, 4207.5KHz, 6312KHz, 8414KHz, 1257KHz, 16804.5KHz

2. Receiving system: double superheterodyne

3. Intermediate frequencies: 40.455Mhz, 455KHz

4. Reception mode: F1B

5. Sensitivity: symbol error rate of 1% or better at 1 micro-volt input

6. Frequency stability: within ±10Hz after 1-minute warm-up