RU-901G3/RU-G3TB+CM-501 Lavalier...
Made in Taiwan
Frequency Preparation: PLL Synthesized Control
Carrier Frequency Range: UHF 470 to 960 MHz
Bandwidth of RU-901G3: 36MHz
Polar Pattern of CM-501: Cardioid
Sensitivity of CM-501(at 1KHz): -60±3 dB* (1mV)*0dB=1V/μbar