EMR Corproation is the offical licensed manufactrer of this product.This unit uses six pass-reject dual-notch resonators with three resonators per channel as the normal arrangement.
Frequency Range: 406 - 440 MHz
Pwr (Input/Refi): Input Max.: 250 W
Shipping Weight (lbs/kg): 23 lbs. /10.4 kg.
Temp Range: -22 to +140 F / -10 to +50 C