Takstar UHF-938R receiver The transmitter is to create a set of tour guide for simultaneous translation, or language of the conference. One transmitter can operate in a set of one to 50pcs receivers. PLL frequency synthesizing method for stable transmission signal. Frequency range UHF. The design with low power consumption, the receiver can operate more than 20 hours with 2 units. AA batteries. Dynamic expansion scheme for a high ratio S / N. Stable radio coverage area up to 50 m. CHARACTERISTICS: • Operating frequency: 432.5-433.5 / 433-434 MHz • Frequency Response: 50 Hz to 16 kHz • Number of channels: 2 • The transmit power: ≤10 dBm • Sensitivity: S / N: 12 dB microvolts 3 • Signal / noise ratio: ≥50 dB • Operating Range:> 50 m • Transmitter and receiver Power supply: 2x1,5 AA alkaline battery