HT644 LCD Marine VHF
Utilising the latest intelligent Lithium-Ion battery technology, these marine portables give you the option of displaying a battery cycle count each and every time you power-on your radio. For your convenience it will even alert you to imminent battery life expiration.
The commercial grade HT Series 2.0 portables, with their exceptionally loud audio, are also designed to withstand the every day rigours of life at sea, with superior MIL-STD 810/C/D/E/F construction and IP68 submersibility making them the most robust and durable marine portables on the market.
Features:
- Submersible to IP68 (
5 metres for 1 hour) - MILSTD 810C/D/E/F
- 2000mAh Li-Ion battery
- All
INT, USA and CAN channels - Robust accessory socket
- LCD display
- 7-key keypad
- Low battery warning
As standard the HT644 is supplied with:
- CNB750E - 7.4v, 2000mAh rechargeable Lithium-Ion battery pack
- CBH750 - Spring loaded belt clip
- CCAHT - Intelligent charger pod
- CWCHT - Mains adapter
- CWCHT12 - 12v charger lead
- CAT40 - High efficiency antenna
- Lanyard
Specifications:
| General | |
| Frequency Range | 156 - 163.275MHz |
| Channels | INT, USA, CAN |
| Channel Spacing | 25 kHz |
| Communication Method | Simplex / semi duplex |
| Antenna Impedance | 50 ohm |
| Antenna | Helical |
| Battery Type | 2000 mAh Li-Ion battery pack |
| Power Supply Voltage | 7.4V DC |
| Current Drain (nominal) | TBA |
| Duty Cycle (5/5/90) | TBA |
| Microphone | Internal condenser microphone |
| Operating Temperature | -20° to +55° |
| Size (mm) |
59.5 (W) x 130 (H) x 37 (D)
W = 59.5 (62 including protrusions) H = 130 (145 inc knobs) D = 37mm (41 including battery protrusions) |
| Weight | 277g with battery and aerial |
| Transmitter | |
| Power Output | HIGH – 5W, LOW – 1W |
| Modulation | 16K0F3E |
| Oscillator Method | PLL |
| Frequency Stability | < ±0.0002% (±2PPM) |
| 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 | ±0.0002%(±2PPM) |
| Spurious Rejection | -60 dB |
| Adjacent Channel Selectivity | -70 dB |
| Distortion | < 3% Typical |
| Hum & Noise | -40 dB |
| Audio Output | 1W |
| Speaker Size |
|