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ENTEL HT544

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ENTEL HT544

BỘ ĐÀM HÀNG HẢI CHỐNG CHÁY NỔ - ATEX ZONE 1

Nhà sản xuất: ENTEL (UNITED KINGDOM)

Tính năng:

*  Đạt chứng nhận sử dụng trong zone 1

* Có màn hình LCD hiển thị kênh và tình trạng của máy

* Sử dụng pin Lithium-Ion 1800mAH; có thêm tính năng tiết kiệm năng lượng giúp tăng thêm thời gian sử dụng

* Thông báo pin yếu cần nặp pin hoặc pin sử dụng đã lâu cần thay mới

* INT, USA, CAN channels

* WX shortcut button

* Công suất tín hiệu ra 5 Watts

* Marine VHF (156-163.275MHz)

* Cấp bảo vệ IP 68, chìm trong nước ở độ sâu 5m trong vòng 60 phút.

* Thiết kế cứng cáp theo tiêu chuẩn MIL-STD-810C/D/E/F

Tiêu Chuẩn

 

 

 

 

Thông số kỹ thuật

General

Frequency range

156-163.275MHz

Channel spacing

25kHz

Communication method

Simplex

Antenna

High efficiency helical

Antenna Imdependance

50 ohm

Power supply voltage

7.4 VDC

Operating time

8 hours

Current drain (nominal)

Stanby 40mA; RX 390mA; TX less than 1A at 2W and 0.7A at 1W; 1.0W audio output (1kHz)

Duty cycle

TX 10%; RX 10%; Stanby 80%

Microphone

Internal conderser microphone

Size

Height: 130mm (145 including knobs)

Width:   59.5mm (62mm including protrusions)

Diameter: 37mm (41mm including battery protrusions

Weight

Less than 300g

Operating tempareture

-20oC to +50oC

Transmitter

Frequency range

156.025-157.425MHz

Power output

Selectable:

HIGH=4W; LOW=1W

Modulation

16K0G3E

Oscillator method

PLL

Frequency stability

±2PPM

Maximum deviation

±5kHz

Audio distortion

<5% (1kHz 60%)

Spurious emissiong

-55dB

Hum & noise

-40 [dB]

Receiver

Frequency range

156.025-163.257MHz

Receiver type

Double super heterodyne

Sensitivity

<0.25uV 912dB SINAD)

Frequency stability

±2PPM

Spuriuos rejection

-60dB

Adjacent channel selectivity

-70dB

Distortion

<3% typical

Hum & Noise

-40dB

Audio output

1W

Speaker size

38mm

   

Phụ kiện kèm theo:

* Lithium-Ion battery

* Charger

* Spring loaded belt clip

* Antenna

* User manual