TW154 Bias-Tee (3.5V)

Accessories, Signal splitters

The TW154 is a wideband Bias-Tee for injecting DC voltages onto coaxial lines.

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The TW154 is a professional grade wideband bias-tee for injecting DC voltages onto coaxial lines.


  • Low insertion loss: less than 1 dB at 3 GHz
  • Regulated output voltage: 3.3 VDC
  • .5 to 3 GHz operating frequency
  • Low insertion loss 1.0 dB @ 2 GHz
  • VSWR <1.3 @ 3GHz
  • Wide input voltage range: 3.6 to 10 VDC
  • Gold-plated SMA or TNC Jack connectors
  • IP67 and RoHS Compliant
  • High current output: 350 mA*
  • RF sealed, clear anodized aluminum enclosure


  • Allows for external power supply
  • Compact form factor
  • Fits in-line with antenna cable
  • Robust design
  • Suitable for harsh environments
  • -40 to 85 °C temperature range


The regulated output voltage and the high output current makes the TW154 highly suitable for many active antennas and amplifiers. It is useable at higher frequencies with higher insertion loss.

The TW154 is housed in a robust RF sealed, weatherproof (IP67) clear anodized aluminum enclosure and is available with 3 x SMA or TNC Jack connectors.


  • Supply Volts: 3.6 V – 10 V
  • Current: 200 mA
  • Bandwidth: 0.5 – 3 GHz