Entel HT649對講機
Entel HT649 對講機
原裝香港行貨 一年保用
Environmental protection to IP68 (5 Meters for 1 Hour)
The
practical HT649 Series 2.0 GMDSS portable enjoys an IP68 (5 Meters for 1
Hour) rated construction, which means that it is dust protected and
fully Submersible.
MILSTD 810C/D/E/F
Meeting
MIL-STD 810C/D/E/F and providing commercial grade construction for
tough, enduring performance. Entel's HT649 Series 2.0 GMDSS portable
conforms to stringent standards, enabling it to withstand the everyday
rigours of shock, vibration and the corrosive effects of dust and
moisture, ensuring many years of trouble free use.
Primary Lithium one-shot Emergency battery
The
HT649 Series 2.0 GMDSS portable is supplied with a Lithium battery as
standard. With a 5-year shelf life you are assured of a full charge as
and when you need to use Entel’s Primary Emergency battery.
2000mAh Secondary Li-Ion re-chargeable battery
Optionally
the HT649 Series 2.0 GMDSS portable can also be supplied with the
latest intelligent Lithium-Ion Secondary battery. One key advantage of
Lithium-Ion battery technology is the way it eliminates ‘memory effect’
meaning there is no need to fully discharge your battery before
recharging. Therefore you are assured a full charge each and every time
you take your Entel battery from its charger.
Robust accessory socket
When
an accessory is secured to the portable, the plug / socket has been
designed to withstand any amount of punishment from dropping to careless
misuse. Furthermore, the securing bolt incorporates a shearing point to
protect the connector.
Channels
The HT649 portable provides all INT, USA & CAN Marine channels.
Convenience
Keylock
To avoid accidental operation your radios keys & controls can be locked by the user or, if set, automatically by the radio.
VOX hands free (with audio accessory)
When
using an Entel VOX enabled audio accessory, your HT649 portable can
operate totally hands free. All you need to do is talk and the HT649
portable will automatically transmit for you.
Scan
The HT649 Series portable has the facility
to scan for an active channel. When the channel is found, the radio will
automatically select the channel for you.
規格:
Frequency Range 156 - 163.275MHz
Channels 19 INT, USA & CAN Marine Channels
Channel Spacing 25 kHz
Communication Method Simplex / semi duplex
Antenna Impedance 50 ohm
Antenna Whip / stubby
Battery Type Primary – Lithium
Secondary - 2000 mAh Li-Ion
Power Supply Voltage 7.4V DC
Current Drain (nominal) 40mA
Primary Duty Cycle (10/10/80) Secondary Duty Cycle (5/5/90) > 8 Hours
14.5 hours
Microphone Internal condenser microphone
Operating Temperature -20° to +55°C
Construction MIL-STD 810C/D/E/F
IP Rating IP68 (5 Metres for 1 Hour)
Size (mm) 59.5(W) x 130(H) x 37(D)
Weight 277g with battery and aerial
Transmitter
Power Output 1.3W
Modulation 8K0G3E/16K0G3E
Oscillator Method PLL
Frequency Stability 2.5PPM
Maximum Deviation ±5 kHz
Audio Distortion < 5% (1 kHz 60%)
Spurious Emission -68 [dBc]
Hum & Noise -40 [dB]
Reciever
Receiver Type Double Super Heterodyne type
Sensitivity -0.25uV (12dB SINAD)
Frequency Stability 2.5PPM
Spurious Rejection -60 dB
Adjacent Channel Selectivity -60 dB (Narrow) , -70 dB (Wide)
Distortion < 5% (1 kHz 60%)
Hum & Noise -40 dB
Audio Output 1W