A complete UHF lavalier system consisting of the 411UDR 63-channel receiver and the 51BT bodypack transmitter and the EX-503H lavalier microphone.
| 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 |
| Weight | 4.00 lbs |