The true diversity 311DR meets the professional's need for "rock-steady" RF signal strength less chance of drop-outs and exceptional audio performance. With Power and A/B true diversity reception LEDs 1/4" output jack and volume adjustment.

Technical Specs:
Frequency Range: 25 VHF Channels (169.505 - 197.325 MHz)
Frequency Response: 50Hz 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 15dBµV
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: 830g (29 oz)