• Dimensions
  197 mm × 171 mm × 42 mm
  (7.75 in. × 6.75 in. × 1.65 in.), H × W × D
• Weight
  913 g (2.0 lbs), without antennas
• Housing
  Galvanized Steel

RF OUTPUT

• Spurious Rejection
  >80 dB, typical
• Connector Type
  BNC
• Impedance
  50 Ω
• Bias Voltage
  12 – 13 V DC, 170 mA maximum, per antenna

AUDIO INPUT

• Gain Adjustment Range
  -18 to +42 dB in 1 dB steps (plus Mute setting)
• Configuration
  1/4″ (6.35 mm): Impedance balanced (Tip=audio, Ring=no audio, Sleeve=ground)
  XLR: Balanced
  (1=ground, 2=audio +, 3=audio -)
• Impedance
  1/4″ (6.35 mm):
  100 Ω (50 Ω Unbalanced)
  XLR: 100 Ω
• Full Scale Output
  1/4″ (6.35 mm): +12 dB
  XLR: LINE setting=
  +18 dBV, MIC setting= -12 dBV
• Mic/Line Switch
  30 dB pad
• Phantom Power Protection
  1/4″ (6.35 mm): Yes
  XLR: Yes

NETWORKING

• Power Over Ethernet (PoE)
  No, protected
• Network Interface
  Single Port Ethernet 10/100 Mbps
• Network Addressing Capability
  DHCP or Manual IP address
• Maximum Ethernet Cable Length
  100 m (328 ft)

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