TOA WM-2100 Portable Transmitter ชุดทัวร์ไกด์ , tour guide , wireless guide , ชุดบรรยายไร้สาย

Power Requirement       1.5 V DC (Battery)

Modulation        Frequency modulation

Transmitting Frequencies             470 MHz band (5 ch) (470.075, 470.150, 470.375, 470.625, 470.725 MHz)

RF Carrier Power              2 mW

Oscillator             PLL synthesizer

Frequency Response     200 - 5,000 Hz (Portable transmitter to Portable receiver)

Pre-emphasis    50 ?s

Input Level         -50 dB* (sensitivity Hi)/-44 dB* (sensitivity Low)

Battery Life         18 hours (alkaline)

Battery LR6 (1.5 V) × 1

Operation Temperature               -10ºC to +40ºC

Finish    Resin, dark gray

Dimensions        62 (W) × 163.6 (H) × 32.5 (D) mm

Weight 115 g (battery included)

Accessory            Neck strap... 1