无源宽带探头是一种经济型却功能强大的探头，能够取代有源探头，用于测量低阻抗线路上的高速信号。此类探头的输入阻抗很低，而且几乎能够在整个频率范围内保持恒定。此类探头还兼具极低输入电容、极低噪声和高线性度的优点。
此资料适用于以下型号
| Passive probes | Passive broadband probes | Active broadband probes | Modular broadband probes | Power rail probe |
| Multi-channel power probe | High voltage probes | Current probes | EMC near-field probes | R&S®RT-ZP10 |
| R&S®RT-ZP1X | R&S®RT-ZP03S | R&S®RT-ZP05S | R&S®RTM-ZP10 | R&S®RT-ZI10 |
| R&S®RT-ZI10C | R&S®RT-ZI10C-2 | R&S®RT-ZI10C-4 | R&S®RT-ZA1 | R&S®RT-ZA4 |
| R&S®RT-ZA5 | R&S®RT-ZA6 | R&S®RT-ZA21 | R&S®RT-ZA40 | R&S®RT-ZS10L |
| R&S®RT-ZS10E | R&S®RT-ZS10 | R&S®RT-ZS20 | R&S®RT-ZS30 | R&S®RT-ZS60 |
| R&S®RT-ZA2 | R&S®RT-ZA3 | R&S®RT-ZA9 | R&S®RT-ZA50 | R&S®RT-ZA51 |
| R&S®RT-ZD10 | R&S®RT-ZD20 | R&S®RT-ZD30 | R&S®RT-ZD40 | R&S®RT-ZA7 |
| R&S®RT-ZA8 | R&S®RT-ZA15 | R&S®RT-ZM15 | R&S®RT-ZM30 | R&S®RT-ZM60 |
| R&S®RT-ZM90 | R&S®RT-ZM130 | R&S®RT-ZM160 | R&S®RT-ZMA10 | R&S®RT-ZMA10-6 |
| R&S®RT-ZMA12 | R&S®RT-ZMA11 | R&S®RT-ZMA14 | R&S®RT-ZMA15 | R&S®RT-ZMA30 |
| R&S®RT-ZMA40 | R&S®RT-ZMA50 | R&S®RT-ZMA1 | R&S®RT-ZAP | R&S®RT-ZF30 |
| R&S®RT-ZPR20 | R&S®RT-ZPR40 | R&S®RT-ZA25 | R&S®RT-ZA26 | R&S®RT-ZVC02 |
| R&S®RT-ZVC04 | R&S®RT-ZA30 | R&S®RT-ZA31 | R&S®RT-ZA33 | R&S®RT-ZA34 |
| R&S®RT-ZA35 | R&S®RT-ZA36 | R&S®RT-ZA37 | R&S®RTE-B1E | R&S®RTO-B1E |
| R&S®RTP-B1E | R&S®RT-ZH03 | R&S®RT-ZH10 | R&S®RT-ZH11 | R&S®RT-ZI11 |
| R&S®RT-ZD01 | R&S®RT-ZHD07 | R&S®RT-ZHD15 | R&S®RT-ZHD16 | R&S®RT-ZHD60 |
| R&S®RT-ZA24 | R&S®RT-ZC02 | R&S®RT-ZC03 | R&S®RT-ZC05B | R&S®RT-ZC10 |
| R&S®RT-ZC10B | R&S®RT-ZC15B | R&S®RT-ZC20 | R&S®RT-ZC20B | R&S®RT-ZC30 |
| R&S®RT-ZC31 | R&S®RT-ZF20 | R&S®RT-ZA13 | R&S®HZ-15 | R&S®HZ-17 |
| R&S®HZ-16 |