HT644 ATIS
HT644 ATIS
Overview
The HT644 ATIS has been designed specifically for use when navigating inland waterways in mainland Europe. A FFSK data signal is sent at the end of each transmission, which carries information about the vessel, including a call sign unique to the craft allowing it to be tracked and monitored for safety purposes.
The first time you handle Entel’s HT644 ATIS Series 2.0 portable you will be impressed by its superior build quality. From the rugged ergonomic design that fits comfortably in your hand, to the exceptionally loud audio, the HT644 ATIS Series 2 portable easily outclasses the competition.
The HT644 ATIS Series 2 portable is built to MIL-STD 810C/D/E/F for tough enduring performance, is fully Submersible to IP68 (2 meters depth for 4 hours) and will exceed the expectations of even the most experienced radio user.
Features
General
Environmental protection to IP68 (2 Meters for 4 hours)
The practical HT644 ATIS Series 2.0 portable enjoys an IP68 (2 Meters for 4 hours) rated construction, which means that they are 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 HT644 ATIS Series 2.0 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.
2000mAh Li-Ion battery
The HT644 ATIS Series 2.0 portable is supplied with the latest intelligent Lithium-Ion battery technology as standard. 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.
Flash upgradeable to add future features
Entel adds and improves features on its HT644 ATIS radio by way of software updates. Using Flash Upgrade technology your Entel HT644 ATIS radios can be upgraded by your Dealer at any time.
Robust accessory socket
The socket has been specifically designed so that when an accessory is secured to the portable, the connection can withstand any amount of punishment; from dropping to careless misuse. Furthermore, the securing bolt incorporates a shearing point to protect the connector.
Channels
The HT644 ATIS 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 HT644 ATIS portable can operate totally hands free. All you need to do is talk and the HT644 ATIS portable will automatically transmit for you.
Scan
The HT644 ATIS 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.
Technical Specifications
General
| Frequency Range | 156 – 163.275MHz |
| Channels | All INT, USA & CAN Marine Channels |
| Channel Spacing | 25 kHz |
| Communication Method | Simplex / semi duplex |
| Antenna Impedance | 50 ohm |
| Antenna | Whip / stubby |
| Battery Type | 2000 mAh Li-Ion battery pack |
| Power Supply Voltage | 7.4V DC |
| Current Drain (nominal) | 40mA |
| Duty Cycle (5/5/90) | 12.5 hours |
| Microphone | Internal condenser microphone |
| Operating Temperature | -20° to +55°C |
| Construction | MIL-STD 810C/D/E/F |
| IP Rating | IP68 (2 meters depth for 4 hours) |
| Size (mm) | 59.5(W) x 130(H) x 37(D) |
| Weight | 277g with battery and aerial |
Transmitter
| Power Output | High – 5W / Low – 1W |
| 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] |
Receiver
| 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 |
