BROADCAST TRANSMITTERS LTD
A complete FM Radio Broadcast station capable of operating within
or beyond existing commercial power networks. It's 13.8/28 Volt DC
power requirement permits battery operation from solar or other
charging sources to reach that last mile that is so important in
educational broadcasting. The wide range of audio sources
makes the Wantok-SBS-2 an ideal choice for stations with access to
digitally stored music and sound clips.
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- Suitable for portable or fixed operation with all components
operating from a single 13.8 Volt DC source.
- Equipment can be easily modified with plug-in connections for
easy maintenance and operation.
- Compatible with all types of MP3 audio players and computers.
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- 88-108 MHz in 200 KHz steps. Frequency is easily adjusted with
internal DIP switches. These units also feature phase locked
loop circuitry ensuring high frequency stability from -25
degrees Celsius through +45 degrees Celsius. Frequency deviation
is +/- 75 kHz; distortion >0.2%; RF Impedance 50 Ohms. Reflected power indicator
and deactivation circuits ensure no burnout of the unit.
- Six Channel Audio Mixer
- This compact mixer features a microphone input sensitivity of
1 mV; Line output sensitivity of 100 mV. The output level at 1
kOhm load = 1mV. The input overload on the microphone is >250
mV. The line input is > 6 Volts. Distortion is < 0.5%. The
signal to noise ratio is > 55 dB. Frequency response is
20-20000 Hz +- 2 dB. The power requirement for operation of the
mixer are a minimum of 9 V DC and a maximum of 13.5 V DC.
- Compact Disc/MP3 Player
- The basic unit includes an MP3/CD
compact disc player that has a signal/noise ratio of 80
dB; WRMS<0.25%. The sampling frequency is 44.1 kHz . This
unit features a Digital/Audio 1 bit converter as well as a
semi-conductor laser pickup light source. The pickup wave length
is 790 nm. The laser output of the unit is 0.5 mW continuous.
- The unit contains a dynamic/unidirectional microphone with an
impedance of 500 Ohms. The sensitivity of the unit at 1 kHz is
-77dB (0dB=1V/microbar). The frequency response is 100 Hz to 10
kHz. It uses an XLR connector and has a flexible neck for
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Last modified: January 14, 2012