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6-in-1 Ultrasonic Anemometer – Temp, Humidity, Pressure, Radiation, Wind & Direction - GAO Tek
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Advanced Wireless Intercom Headset with Noise Cancellation – GAOTek

Explore wireless freedom with 400m range, dual-mic noise cancellation, 10-hour battery life, and support for up to 11 users with clear audio.

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SKU: GAOTek-OTS-565 Category:
Description

Description

Features

  • 400 m Range Transmission 
  • Dual-mic Noise Cancellation 
  • Supports up to 11 users  
  • Dependable Mute Control 
  • Dust and Water Resistance   
  • 10- Hour Battery Life  
  • 3.5 mm Headphone Supported 

 

Technical Specifications

LOS Range  1,300 ft (400 m) 
Operating Frequency  1.9 GHz (DECT) 
Transmit Power  ≤ 21 dBm (125.9 mW) 
Receiver Sensitivity  < -90 dBm 
Battery Capacity  770 mAh (2.926 Wh) 
Charging Time  < 3 hours 
Frequency Response  150 Hz to 7 kHz (±10 dB) 
SNR (Signal-to-Noise Ratio)  71±2 dB @94 dB SPL, 1 kHz 
Distortion  < 1% @94 dB SPL, 150 Hz to 7 kHz 
Microphone Type  Electret 
Maximum Input SPL  > 115 dB SPL 
Output SPL  98 dB SPL (@94 dB SPL, 1 kHz) 
Environmental Noise Reduction  > 20 dB (from all directions) 
Weight  ≈ 185.2 g (with battery) 
Temperature (Working)  0°C to 45°C 
Temperature (Storage)  -10°C to 60°C 

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