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EO3 Specifications
OVERALL SYSTEM PERFORMANCE
Frequency Response 100 Hz - 10KHz ± 3 dB
Signal-to-Noise Ratio 60 dB
Total Harmonic Distortion < 0.5%
RF Carrier Frequencies Eight factory preset channels between 72-76 MHz
Channel AA: 72.1, BB: 72.3, CC: 72.5, DD: 72.7
EE: 72.9, FF: 75.5, GG: 75.7, HH: 75.9
Frequency Stability Better than .005%
Modulation FM ± 75 KHz
Operating Range Up to 300 feet line-of-sight
EO3-T TRANSMITTER
Line Input Connector: One
1
/
4
“ phone jack
Impedance: 100 K Ohms, unbalanced.
Mic Input Connector: One
1
/
4
“ phone jack
Impedance: low impedance, unbalanced, with 9 VDC at 1 mA
for condenser mic.
Power Output 80,000 µV @ 3 meters
Controls Power On/Off, audio input gain adjust
Indicators Power On LED, Audio Modulation “TX” LED
Antenna Permanently mounted telescoping whip
Power Requirement 9 VDC regulated, @ 200 mA, AC-EO3 adapter provided
Dimensions 1.25” H, 8.25” W, 4.25” D (3.175 x 20.9 x 10.8 cm)
Weight 18.2 oz. (500 g.)
EO3-R RECEIVER
Controls Combination volume/on-off wheel
Audio Output 100 mW max into 16 Ohms
Connectors 3.5 mm mini jack for earbuds output
Earphones Binaural EB-3 earbuds with optional-use EMI soft rubber inserts
Antenna Integral with earbud cord
Indicators LED power on indicator
Sensitivity 2 µV for 12 dB Sinad with squelch defeated
Squelches at 10 µV for min. 50 dB S-N ratio
Mute Threshold 8-10 µV
Power Requirement 9V carbon zinc or alkaline battery
Battery Life 17-20 hours with alkaline battery; 10-12 hours with carbon zinc battery
Dimensions 3.35” H, 2.75” W, .75” D (8.5 x 6.5 x 2.25 cm)
Weight 2.65 oz. without battery (73 g)
Specifications subject to change at any time without prior notice for purposes of product improvement