Sony 3-873-945-12 (1) - Manual (Page 41)

41 Specifications
connection away from the antenna, or
lowering the transmission power.
Specifications
Transmitting section
Oscillator type
Crystal-controlled PLL synthesizer
Carrier frequencies
US models:
U3040: 566 to 607 MHz (TV-30 to
TV-36 channels); 615 to 638
MHz (TV-38 to TV-41
channels)
U4250: 638 to 698 MHz (TV-42 to
TV-51 channels)
European model:
CE6267: 798 to 822 MHz (TV-62
to TV-64 channels); 838 to 862
MHz (TV-67 to TV-69
channels)
Channel step
US models:
U3040/U4250: 125 kHz
European model:
CE6267: 25 kHz
RF power output
1 mW/10 mW/50 mW (e.r.p)
selectable
Antenna type
λ/4 flexible wire
Occupied RF bandwidth
192 kHz or less
Audio delay
1.5 ms
Transmission frequency stability level
±6.5 ppm
Type of emission
G1E or G1D
Modulation method
π/4 Shift QPSK
Audio section
Maximum input level
To prevent electromagnetic
interference from portable
communication devices
The use of portable telephones and
other communication devices near
the DWT-B01 may result in
malfunction and interference with
audio signals. It is recommended that
portable communication devices near
the DWT-B01 be turned off.