... level transmitterTechnical dataWorking frequency: 6.8GHzWave beam angle: 24°WPRD201, WPRD202 18°RD203, with DN150 flange 14°RD203, with DN200 flange 12°RD203, with ... RD202 (bar type antenna): turnup flange DN50, DN80, DN100, DN150 RD203 (flared form ... antenna): flange DN50, DN80, DN100, DN150, DN200, DN250Power: ... ) intelligent guide-wave radar level transmitter