Specifications - Sony 3-873-945-12 (1) Operating Instructions Manual

connection away from the antenna, or
lowering the transmission power.
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.

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
Specifications 41