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Modern Antique FM Radio and Alarm Clock
Modern Antique FM Radio and Alarm Clock
Linkco Int'l Ltd
Hong Kong
Exporter, Manufacturer
Exporter, Manufacturer
Average Response time:1 - 3 days
This label indicates the credibility and capabilities of a supplier in 3 levels: Gold, Silver and Bronze.
SUPPLIER INFO LAST UPDATED: Aug 13, 2020
ADVERTISE SINCE: Apr 20, 2009
Product Attribute(s)
Model No.:
LC 97473
Description
1. Brief description of bluetooth and electronic solutions
  • Bluetooth version: Conwise 5.0
  • Support Profile: A2DP V1.3, ACRCP V1.4, HFP V1.6
  • Decoding the format: MP3/mav
  • Transmission Range (Hz)
2. 402~2.4800GHz unlicensed ISM band
  • Sensitive: -86dBm@<0.1%BER
  • Transmission distance: Up to10M(Outdoor operating space)
  • Pair Name: SDH-A3
  • Reset button: Behind AUX
3、Microphone parameters
Specification
  • Reference value
  • Microphone Unit: 4015   4015L=25MM-4520 
  • Mic Directivity:
  • Omnidirectional
  • S.P.L: -42dB(3V,2.2KΩ;0dB=1V/Pa,1KHz)
  • Impedance: 2.2KΩ / No less than 2.2KΩ
  • Operating voltage: 2.2v
  • Max.Input Sound Pressure Level: 110dB
  • Current Consumption:<0.5mA 
  • S/N Ratio: More than 58dB
  • Standard Operation Voltage: 3V
  • Decreasing Voltage Characteristic: Within 3dB at 1V
  • Frequency Range: 20Hz—16000Hz
4、Horn Parameters
Speaker diameter:
  • 52±0.3mm / 52±0.3mm
  • Voice coil diameter: 20mm
  • Impedance: 4Ω±15%  At 1 V, 1200Hz
  • S.P.L: 82± 3 dBDev    -10db
  • Ref.:S.P.L.=dB
  • Sine Wave At 1 w, 1 m At600,800,1000,1200Hz
  • (Average).
  • Frequency Response:
  • Fo-18KHz
  • Ref. level: At output of S.P.L.
  • Resonance Frequency(f0): 110±20% At 1V,
5、Battery:
  • Li-battery Capability: 7.4V/2000mAH 18650X2
  • Talking time: 18(60% Vol) hours
  • Playing time: 8(60%vol) hours .  4(100%vol) hours
  • Standby time: About 18 months
  • Charging time: 6-8 hours current1200ma max
  • Charger Mode: Micro USB 5V/1.2A
  • Low power alarm: 6.6V(alarm every two minutes)
6、Product parameters:
  • Rms: 7.8W*2  4Ω  THD+N 10%  (1KHz/0dB)
  • Frequency Response: 120HZ-18KHZ
  • Distortion: 0.1% 1w 1khz
  • S/N: 80dB
  • Sensitive: 1khz 775mv
  • Size: W204±1mm*H87±1mm*D51±1mm
  • Net Weight: 742G