Description
SPECIFICATIONS
RF Carrier Range
174–216 MHz, 470–865 MHz, 1492–1525 MHz, 1785–1805 MHz
Note: Varies by region (See Frequency Range and Ouput Power table)
Working Range
100 m (328 ft)
Note: Actual range depends on RF signal absorption, reflection and interference.
RF Tuning Step Size
25 kHz, varies by region
Image Rejection
>70 dB, typical
RF Sensitivity
-98dBm at 10-5 BER
Latency
<2.9 ms
Audio Frequency Response
ULXD1: 20 Hz – 20 kHz (±1 dB) ULXD2: 30 Hz – 20 kHz (±1 dB)
Note: Dependent on microphone type
Audio Dynamic Range System Gain @ +10
XLR Analog Output: >120 dB, A-weighted
Dante Digital Output (Dual and Quad receivers): 130 dB (typical), A-weighted
Total Harmonic Distortion
−12 dBFS input, System Gain @ +10
<0.1%
System Audio Polarity
Positive pressure on microphone diaphragm produces positive voltage on pin 2 (with respect to pin 3 of XLR output) and the tip of the 6.35 mm (1/4-inch) output.
Operating Temperature Range
−18 °C (0 °F) to 50 °C (122 °F) Note: Battery characteristics may limit this range.
Storage Temperature Range
−29°C (−20°F) to 74°C (165°F) Note: Battery characteristics may limit this range.
ULXD4Q
Dimensions
44 mm x 482 mm x 274 mm (1.73 in. x 18.97 in. x 10.79 in.), H x W x D
Weight
3.45 Kg (7.6 lbs), without antennas
Housing
Steel; Extruded Aluminum
Power Requirements
100 to 240 V AC, 50–60 Hz, 0.32 A max.
RF OUTPUT
Spurious Rejection
>80 dB, typical
Connector Type
BNC
Impedance
50 Ω
Bias Voltage
12 – 13 V DC, 150 mA maximum, per antenna
AUDIO INPUT
Gain Adjustment Range
–18 to +42 dB in 1 dB steps (plus Mute setting)
Configuration
XLR: Balanced
(1=ground, 2=audio +, 3=audio –)
Impedance
100 Ω
Full Scale Output
LINE setting= +18 dBV,
MIC setting= –12 dBV
Mic/Line Switch
30 dB pad
Phantom Power Protection
Yes
CASCADE OUTPUT
Connector Type
BNC: For connection of 1 additional receiver
Configuration
Unbalanced, passive
Impedance
50 Ω
Insertion Loss
0 dB
ULXD1
Gain Offset Range
0 to 21 dB (in 3 dB steps)
Battery Type
Shure SB900A Rechargeable Li-Ion or AA batteries
Battery Runtime @ 10 mW
Shure SB900A: up to 9
Alkaline: 8 hours
See Battery Runtime Chart
Dimensions
86 mm × 66 mm × 23 mm (3.4 in. × 2.6 in. × 0.9 in.) H × W × D
Weight 142 g (5.0 oz.), without batteries
Housing
Cast aluminum
AUDIO INPUT
Connector
4-Pin male mini connector (TA4M) LEM03 connector
Configuration
Unbalanced
Impedance
1 MΩ
Maximum Input Level 1 kHz at 1% THD
Pad Off: 8.5 dBV (7.5 Vpp) Pad On: 20.5 dBV (30 Vpp)
Preamplifier Equivalent Input Noise (EIN)
System Gain Setting ≥ +20
120 dBV, A-weighted, typical
RF OUTPUT
Connector
SMA
Antenna Type
1/4 wave
Impedance
50 Ω
Occupied Bandwidth
<200 kHz
Modulation Type
Shure Proprietary Digital
Power
1 mW, 10 mW, 20 mW
See Frequency Range and Ouput Power table, varies by region
