The Sennheiser Half-Wave Dipole (S) is a passive rod antenna pair for Evolution Wireless Digital (EW-D) receivers, covering the 606-694 MHz UHF range. As a half-wave dipole it offers higher antenna gain than a simple whip, giving greater range in low-scatter, low-reflection environments, ideal for fixed installs and clear-line-of-sight stages.
CompatibilityDesigned for Sennheiser Evolution Wireless Digital (EW-D) receivers. This is the S band (606-694 MHz) variant, match the antenna band to your receiver band. Connects via BNC. Supplied as a pair.
Features
Passive half-wave dipole, no power required
Higher gain than a simple whip antenna for greater range
606-694 MHz (S band) for UK UHF operation
BNC connection for EW-D receivers
Supplied as a pair
Specifications
| Manufacturer | Sennheiser |
| Model | Half-Wave Dipole (S) (508870) |
| Type | Passive half-wave dipole rod antenna (pair) |
| Frequency range | 606-694 MHz (S band) |
| Connector | BNC |
| Gain | Typ. +2 dBi |
| Impedance | 50 ohm |
| Return loss | -10 dB |
| Radiation pattern | Omnidirectional |
| Polarisation | Vertical |
| Efficiency | > 60% |
| Power withstanding | 2 W |
| Dimensions (per antenna) | 8.5 mm dia. x 338.1 mm |
| Weight (per antenna) | Approx. 46.2 g |
| Operating temperature | -10 °C to +55 °C |
| Storage temperature | -20 °C to +85 °C |
| Relative humidity | Max. 95% (non-condensing) |
| In the box | 2 rod antennas |
| Compatibility | Evolution Wireless Digital (EW-D) |









