Entel HT649 - sea portable radio designed for use on board the ship in any emergency. Entel HT649 GMDSS certified according to the standard. The radio is equipped with an LCD display with backlight and 7 buttons, making Entel HT649 easy to use and reliable in operation. Marine portable radio has an IP68 protection rating (immersed to a depth of 5 meters for 1 hour), Entel HT649 is resistant to moisture, shock and vibration, as well as provides a clear sound lyubyah conditions.
Entel HT649 can clone the settings between the radio stations, and also has the option of voice sound channel names and basic functions.
Specifications:
- Frequency range 156 - 163.275MHz
- The channels 19 INT, USA & CAN Sea Canal
- Channel spacing 25 kHz
- Communication simplex / half duplex
- Antenna Impedance 50 ohm
- Flexible Antenna / truncated
- Battery Type - Li-ion
- Supply voltage 7.4V DC
- Power consumption (nominal) 40mA
- Primary Duty Cycle (10/10/80) Secondary Duty Cycle (05/05/90)> 8 hours
- Operating temperature from -20 ° to + 55 ° C
- Construction MIL-STD 810C / D / E / F
- IP rating IP68 (5 meters for 1 hour)
- Size (mm) 59.5 (W) x 130 (H) x 37 (D)
- Weight 277g with battery and antenna
Transmitter
- Output power - 1.3Vt
- Modulation 8K0G3E / 16K0G3E
- PLL Oscillator Method
- 2.5PPM Frequency Stability
- The maximum deviation of ± 5 kHz
- Audio Distortion <5% (1 kHz, 60%)
- Spurious Emission -68 [dBc]
- Hum & Noise -40 [dB]
Receiver
- Receiver Type - double superheterodyne
- Sensitivity -0.25uV (12dB SINAD)
- 2.5PPM Frequency Stability
- False rejection of -60 dB
- Adjacent Channel Selectivity -60 dB (Narrow), -70 dB (Wide)
- Distortion <5% (1 kHz, 60%)
- Hum & Noise -40 dB
- Audio Output 1W
Useful articles
General shipboard testing
Once the Factory Acceptance Test (FAT) has been successfully completed, the equipment should be installed on board. Upon completion of the installation, a new series of tests is carried out - the Harbor Acceptance Test (HAT).