A complete UHF lavalier system consisting of the 411UDR 63-channel receiver and the 51BT bodypack transmitter and the EX-503H lavalier microphone.
General Specifications
Receiver Technical Specs: Frequency Range: UHF 63 ch. (793.875-805.875MHz) Frequency Response: 20HZ to 20KHz Audio Distortion: less than 1.0% ± 15K deviation Dynamic Range: better than 100dB S/N Ratio: better than 95dB Operating Temperatures: 0° C to 45° C Operating Range: 100m under ideal conditions Oscillator: PLL synthesized Tone Squelch Frequency: 32.768KHz Diversity Type: True Space Diversity Receiver Type: Super Heterodyne, PLL Synthesized Image Rejection: Better than 60dB Reception Sensitivity: Better than 16dBµV Reception Selectivity: +/- 150KHz Audio Output Adj. Range: -30dB, ctr 0dB, max +6dB Audio Output Impedance: 2.2 k ohms unbal., 660 ohms bal. Power Requirements: 12V DC 300mA Dimensions: 280(W) x 120(D) x 37(H) mm - (11" x 4.7" x 1.4") Weight: 920g (29 oz
Transmitter Technical Specs: Frequency Range: UHF 63 ch. (793-806MHz) Frequency Response: 20HZ to 20KHz Audio Distortion: less than 1.0% @± 15K deviation Dynamic Range: better than 100dB S/N Ratio: better than 95dB Operating Temperatures: 0° C to 45° C Operating Range: 100m under ideal conditions Oscillator: PLL synthesized Tone Squelch Frequency: 32.768KHz Type of Emission: FM Antenna: External Antenna Pre-emphasis: 50 Micro Sec. MAX Input Level: 0dBm - 10dBm Microphone Unit: Lav or Headset RF Output Power: 15mW Input Impedance: 2.2(Mic.), 680(MP-1) Audio Adj. Range: -63dBm ~ -18dBm Battery: 9V