Designed to allow the use of two VHF microphones simultaneously the 221R receiver has 2 complete receiver sets built into one case. With Power (red) to receiving (green) A & B LEDs and two 1/4" output jacks with independent volume adjustments.
| Technical Specs | |
| Frequency Range | 25 VHF Channels (169.505 - 197.325 MHz) |
| Frequency Response | 40hZ to 18KHz (+/- 3dB) |
| 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 | Crystal Controlled |
| Diversity Type | True Space Diversity |
| Receiver Type | Super Heterodyne |
| Image Rejection | Better than 60dB |
| Reception Sensitivity | Better than 15dB µ V |
| Reception Selectivity | ± 150KHz |
| Audio Output Adj. Range | -30dB, ctr 0dB, +6dB |
| Audio Output Impedance | 2.2 k ohms |
| Power Requirements | 12V DC 300mA |
| Dimensions | 280(W) x 120(D) x 37(H) mm - (11" x 4.7" x 1.4") |
| Weight | 875g (31 oz) |
| Options | |
| Available Frequency(choose two) | A1 (169.505 Travel),A3 (171.045 Travel),A4 (171.905 Travel),B1 (175.400 7),B2 (178.225 7),B3 (179.200 7),B4 (176.425 7),B5 (177.650 7),C1 (181.400 8),C2 (184.025 8),C3 (185.125 8),C4 (181.850 8),C5 (182.550 8),D1 (187.800 9),D2 (188.200 9),D3 (190.600 9),D4 (191.300 9),D5 (189.325 9),D6 (190.075 9),E1 (194.400 10),E2 (195.425 10),E3 (196.800 10),E4 (197.325 10),E5 (193.825 10),E6 (195.975 10) |