Field equipment & software Microphone à ultrasons Elekon FG black BATLOGGER_FGBLACK €165.83 Ultrasonic microphone Elekon FG black compatible for Batlogger A/A+, M and C. Electret capacitor (10-130 kHz) Omni directional Integrated preamplifier Weather resistant Temperature measurement 3.5 mm connector, gold-plated 10 - 130 kHz Add to cart