50
11.
Technical Specifications
NE 300 Diversity Receiver
Operating principle . . . . . . . . . . . . . . True diversity receiver (UHF)
Frequency range . . . . . . . . . . . . . . . . 740 - 764 MHz
774 - 798 MHz
798 - 822 MHz
850 - 874 MHz
other frequencies on request
Switching bandwidth . . . . . . . . . . . . . 24 MHz
Antenna connection. . . . . . . . . . . . . . 2 x TNC
Nominal deviation . . . . . . . . . . . . . . . ± 40 kHz
Compander system . . . . . . . . . . . . . . . NE572
Signal-to-noise ratio. . . . . . . . . . . . . . > 105 dB(A)
T.H.D. . . . . . . . . . . . . . . . . . . . . . . . . . < 0.5% at 1 kHz
Squelch . . . . . . . . . . . . . . . . . . . . . . . . adjustable
Power supply . . . . . . . . . . . . . . . . . . . 12 V - 15 V DC
Mains . . . . . . . . . . . . . . . . . . . . . . . . . 110 V - 240 V AC
Dimensions (L x W x H) . . . . . . . . . . . 210 x 204 x 44 mm (NE 300 S)
420 x 204 x 44 mm (NE 300 D)
Weight . . . . . . . . . . . . . . . . . . . . . . . . 1.0 kg (NE 300 S)
2.4 kg (NE 300 D)
SDM 360 / SDM 369 / SEM 381 Handheld Transmitter
Polar pattern . . . . . . . . . . . . . . . . . . . Hypercardioid (SDM 360)
Supercardioid (SDM 369)
Cardioid (SEM 381)
Transducer type . . . . . . . . . . . . . . . . . Dynamic (SDM 360, SDM 369)
Electret condenser (SEM 381)
Frequency range . . . . . . . . . . . . . . . . 740 - 764 MHz
774 - 798 MHz
798 - 822 MHz
850 - 874 MHz
other frequencies on request
Modulation . . . . . . . . . . . . . . . . . . . . FM
Nominal deviation . . . . . . . . . . . . . . . ± 40 kHz
Radiated transmitter power. . . . . . . . > 10 mW
Gain . . . . . . . . . . . . . . . . . . . . . . . . . . switchable with integrated switch -10 dB (= 0.7 mV/Pa)
AF transmission range . . . . . . . . . . . . 55 - 18.000 Hz (SDM 360)
65 - 16,000 Hz (SDM 369)
70 - 20,000 Hz (SEM 381)
Signal-to-noise ratio. . . . . . . . . . . . . . > 105 dB
T.H.D. . . . . . . . . . . . . . . . . . . . . . . . . . < 0.5% at 1 kHz
Transmission range. . . . . . . . . . . . . . . 100 m
Power supply . . . . . . . . . . . . . . . . . . . 1 x 9 V battery or rechargeable batteries
Operating time. . . . . . . . . . . . . . . . . . > 15 hours with alkaline battery
Dimensions . . . . . . . . . . . . . . . . . . . . . Length: 258 mm, Shaftø: 33/37 mm
Weight . . . . . . . . . . . . . . . . . . . . . . . . 220 g (SDM 360, SDM 369), 265 g (SEM 381)
