Digital IR Language Distribution System Infrared Receivers for Both Language and Music Distribution

Product Description

Digital IR Language Distribution System Infrared Receivers for both Language and Music Distribution
Feature
Compliant to IEC 61603-7 and IEC 60914 Compatible with any other IR simultaneous interpretation system compliant to IEC 61603-7 Digital infrared processor with DQPSK digital modulation/demodulation technology Transmitting in 2~8 MHz frequency band eliminates disturbance from high frequency lighting systems Channel selection via up/down button, at most 4,8,16 or 32 channels available LCD display with channel number, language name, battery and signal status indication Number of available channels is always the same as the number of channels in use by the system, eliminating the need to scroll through unused channels Adjustable volume Unique 270º super wide reception angle, ensuring perfect sound quality even when casually placed Audio signal automatically muted when signal is too low, ensuring that the user receives only high quality audio. Ergonomically compact and elegant design Lightweight and handy receiver in conjunction with single earphone or headphone for easy and comfortable use Can be hung over the neck via a nice strap or fit into the shirt pocket Freedom of movement within the range of IR power radiator No limit to the receiver number within the IR power radiation range Works without errors, even in bright sunlight Built-in high precision rechargeable circuitry to prolong battery life Environmentally-friendly lithium rechargeable battery pack No power consumption and auto-off when headphone is disconnected after 5 minutes
Controls and Indicators
LCD displays channel number, language name, battery capacity, signal intensity and volume Power switch
Channel selector buttons
Volume control buttons
Interconnections
Ø 3.5 mm stereo earphone jack
Charging contacts
Technical Specifications
System Specifications
Modulation...............DQPSK, according to IEC 61603-7 Modulation frequency
Carriers 0 to 5...............2 to 6 MHz, according to IEC 61603-7
Frequency response...............20 Hz to 10 kHz (-3dB) at standard quality;
20 Hz to 20 kHz (-3dB) at perfect quality
THD at 1 KHz ...............<0.05%
Isolation...............>80 dB
Dynamic range...............>80 dB
Weighted SNR...............>80 dBA
Input range...............-12 dBV ~ +12 dBV (adjustable)
Electrical
IR irradiance level...............4 mW/m2 per carrier
Angle of sensitivity...............270º
Headphone output level at 2.4 V 450 mVrms (speech at maximum volume, 32 Ohm headphone)
Headphone output freq. range...............20 Hz to 20 kHz
Headphone output impedance...............32 Ohm to 2 kOhm
Max. SNR...............>80 dBA
Supply voltage...............3V to 4.2V,nominal 3.7 V
Headphone jack unplugged after 5 minutes...............0 mA Battery life
Rechargeable battery pack ...............24 hours
Mechanical
Dimensions (H x W x D) ...............159 x 49 x 23 mm
Weight............... excluding battery 85 g
including battery 128g (0.27 lb)
Color...............black with silver
Application

---

>> Steam Shower Spare Parts Shower Room Controller with FM Radio System
>> Automatic Robot Lawn Mower Grass Cutter Machine/Grass Mower Weeds Reaper
>> Sapphire substrate
>> Verified Essentials Supplies 2022 Smart Air Tight Luxury Trending Portable Plastic School Bento Box Lunch Kids
>> HOWO/Shacman 6X4 Heavy Duty Dumptruck Crane with 10 Ton Lifting-Equipment Truck-Trailer
>> New Impact Crusher Stone Ore Steel Mining Crushing Machine with Engine Motor Bearing Components for Sale
>> Soundproof Wall Stickers Self-Adhesive Wallpaper 3D Foam XPE Decorative Wallpaper
>> Eco-Friendly Modacrylic Cotton Aramid Twill Ripstop Flame Retardant Woven Fabric
>> Big Size 40mm Capacity Hydraulic Radial Drilling Machine (Z3040X10/1)
>> Best Indoor 3 3 zone Infrared Blanket Sauna Blanket sauna hot blanket for weight loss with cheap price
>> ASTM Ss Steel Coil 0.05mm 0.02mm 0.1mm 0.2mm 0.3mm 0.5mm 0.6mm Cold Rolled 201 304 316/316L 410 409 430 Stainless Steel Coil Ultra Roll Strip
>> Manufacturer Direct Supply Hot Dig Galvanized Horse Barn Door
>> Customized wholesale custom handmade soap foaming net foaming net Bathing cleansing foaming net Soap Bag
>> Most Popular Gardeon Tool Diesel Power Tiller Agricutrial Machine
>> Best Selling Good Quality Single Door
>> High Quality 3x3m 3x6m Outdoor Folding Party Tent/Tradeshow/Event/Advertising/Promotion/Fair Display Aluminum Fold Canopy/Maquee/Wedding/Roof Tent Gazebo
>> Pocket Measure Tape Body Mini Measuring Tapes Weight Loss Measures Rulers Fat Weight Monitors Body Mass Tools For Women and Men
>> Asphalt Mixture Rut Sample Forming Machine
>> Solar Panel Cleaning Robot Cleaning Robot For Solar Panel
>> PPE Cold Resistant Wet Suit Water Rescue Equipment Swimming Insulation One-Piece Wetsuit Marine Surfing Diving Suit