Product description
The Tallysman TW155 is a professional-grade wideband Bias-T for injecting DC voltage onto coaxial lines. Its regulated output voltage and large output current suit many active antennas and amplifiers. The unit fits in line with the antenna cable and is suitable for harsh environments.
Technical specifications
- Operating frequency: 1–3 GHz
- Insertion loss: below 1 dB typ.
- VSWR (50 Ω): below 1.3 at 3 GHz
- Output voltage: 5 VDC ±2.5%, max. 450 mA
- Supply voltage: 5.5–10 VDC, current 5 mA
- Connectors: 3 × TNC female (DC in, port A DC block, port B DC out)
- Enclosure: clear anodised aluminium, IP67
- Operating temperature: −40…+85 °C
- Dimensions and weight: 46 × 46 × 17 mm, 100 g
The power supply is not included. The matching power supply is the Roger GNSS-PSU-BIAST.