Kuumakse al. 
Mipro AT-90W directional antenna, active/passive
Combined transmit/receive directional antenna (broadband), can be used passively and actively – for wireless microphone systems of the ACT series.
The AT-90W transmit and receive directional antenna combines passive and active technology in a single antenna system and thus offers a high degree of flexibility in use. In passive operation, it can be combined with both wireless microphone systems and in-ear monitoring systems, for example. In receive mode, active mode is recommended for cable sections of 5 meters or more. The built-in amplifier (12 ±1 dB) is used to compensate for attenuation losses in coaxial cables. The external power supply of 8V DC voltage for the antenna amplifier is provided by a wireless receiver or an antenna splitter. The AT-90W can be mounted on a mic stand or wall mounted using the built-in swivel adapter mount. The AT-90W is weatherproof and therefore also suitable for outdoor use.
Features
- Use for transmit and receive applications
- Frequency range 470-1000MHz
- Passive (RX/TX) as well as active (RX Only) use
- 12dB signal amplification for extended reception range
- weatherproof; Indoor and outdoor use
Technical specifications
- Modell: AT-90W
- Art: Directional antenna
- Frequency range: 470-1000MHz
- Antenna gain: 4~6 dBi
- Active gain: RX port: 12 ±1 dB; TX/RX port: 0dB
- Standing Wave Ratio: <2:1
- Power supply: RX port: 1120mW (8V DC; New version: 8~15V DC), TX/RX port: 0mW
- Impedance: 50 ohms
- Connections: 2x TNC female
- Dimensions (WxHxD): 319×25x270mm
- Weight: 0.43kg
