- Active logarithmic, periodic directional antenna
- Integrated preamplifier for the UHF range
- Designed for Shure BLX-R, U, UC, ULX, QLXD Series receivers
- Extended frequency range R2 + R7 (470 – 870 MHz)
- Gain switchable 3 or 10 dB
- Power consumption (12 V DC voltage): 0.9 W (+/-0.3 W)
- Antenna gain: 7 dB (+/-1 dB)
- Characteristic impedance: 50 Ohm
- Reception pattern (3 dB beam width): 100 °
