UC&NL products documentation

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RedPhone underwater telephone

KEY FEATURES

DESCRIPTION

The RedPhone-OS Wireless underwater telephone provides voice transmission between the surface station and the divers. The device supports standard frequency bands and is compatible with most other systems. The device is made in a shockproof plastic case, the dashboard is made of high-grade 3 mm stainless steel with inscriptions applied by laser engraving. The built-in power supply consists of lithium-iron-phosphate batteries, which operate at low temperatures and more than 1000 charge-discharge cycles.

TECHNICAL SPECIFICATIONS

PARAMETER VALUE
DIMENSIONS (length х width х height) 259 x 202 x 115 mm
WIGHT (dry) 2 kg
MAX. OPERATING RANGE1 1000 m
ACOUSIC SOURCE LEVEL 160 dB re 1 μPa @ 1 m
TRANSDUCER’S CABLE LENGTH2 7 m
NUMBER OF SUPPORTED CHANNELS 8
VOICE BANDWIDTH3 300 .. 4300 Hz
BUILT-IN BATTERY LiFePO4 60 W*h
BATTERY LIFE (RX MODE)4,5 up to 30 hours
BATTERY LIFE (20% TX, 80% RX)4,5,6 up to 24 hours
BATTERY LIFE (50% TX, 50% RX)4,5,7 up 12 hours
WORKING TEMPERATURE RANGE -10 .. 50 °С
MICROPHONE Handheld, with PTT
EXTERNAL HEADPHONES RESISTANCE (not less) 8 Ohm
PROTECTION CLASS IP678

CHANNELS & FREQUENCY BANDS

CHANNEL NUMBER CARRIER, Hz SIDE BAND BANDWIDTH, Hz
1 32768 Low 28468 .. 32468
2 32768 High 33068 .. 37068
3 31250 Low 26950 .. 30950
4 31250 High 31550 .. 35550
5 28500 Low 24200 .. 28200
6 28500 High 28800 .. 32800
7 25000 Low 20700 .. 24700
8 25000 High 25300 .. 29300

ADDITIONAL INFORMATION

Material Safety Data Sheet (MSDS) for built-in battery


1 A parameter that determines the maximum range at which a signal can be received, based on electro-acoustic parameters of the transmitter and receiver, spatial decrease in the intensity of sound energy, attenuation in the medium and the acoustic noise level.
2 By agreement, delivery with increased cable length is possible.
3 The actual audible frequency range depends on the headset used.
4 When playing on the built-in speaker, with a volume level of 40%.
5 With a fully charged, new battery. At an ambient temperature of 20 ° C.
6 In the mode, 2 minutes of transmission and 8 minutes of reception.
7 In the mode, 5 minutes of transmission and 5 minutes of reception.
8 With top cover closed