18
Specifications
Transmitter and modulator section
Oscillator
Crystal controlled PLL synthesizer
Carrier frequencies
WRT-860A(64):
770.125 to 781.875 MHz
WRT-860A(66):
782.125 to 793.875 MHz
WRT-860A(68):
794.125 to 805.875 MHz
(94 settings at 125 kHz intervals)
Tone signal
32.768 kHz
Type of emission
110KF3E
RF power output
20 mW
Frequency stability
Within ±0.005%
Spurious radiation
2.5 µW or less
Type of antenna
1/4-wavelength wire
Pre-emphasis
50 µs
Reference deviation
±5 kHz
Frequency response
50 to 15,000 Hz
Signal-to-noise ratio
60 dB or more
(A-weighted, with reference
deviation at WRR-810A/820A/
840A/850A/860A)
Audio attenuator
0 to 30 dB, variable in 3-dB steps
Power section
Power requirements
3 V DC
(two LR6/size AA alkaline
batteries)
Battery life
Approx. 6 hours at 25
°
C or 77
°
F
with Sony LR6 alkaline batteries
Current consumption
185 mA or less (at 3 V DC)
General
Operating temperature
0
°
C to +50
°
C (32
°
F to 122
°
F)
Storage temperature
–30
°
C to +60
°
C (–22
°
F to +140
°
F)
Dimensions
63
×
78
×
17 mm (w/h/d)
(2
1
/
2
×
3
1
/
8
×
11
/
16
inches)
Mass
Approx. 160 g (5.6 oz) including
batteries
Supplied accessories
Battery case (1)
Soft case (1)
Microphone cable (1)
Operating Instructions (1)
Design and specifications are subject to change without
notice.
Содержание WRT-860A
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