A LOW NOISE AERIAL AMPLIFIER (LNA) USED IN COMMUNICATION SYSTEMS TO AMPLIFY VERY WEAK SIGNALS CAPTURED BY THE ANTENNA. THE WEAK SIGNALS ARE AMPLIFIED WHILE NOISE IS KEPT AT A MINIMUM. FEATURES INCLUDE: 851-870 MHz PMR BAND, 10 W AVERAGE/50 W PEAK POWER AND 19 MHz INSTANTANEOUS BANDWIDTH. THE GAIN AT 860.5 MHz; 40 DEGREE C IS TYPICALLY 40 dB. THE AMPLIFIER IS IN A HOUSING 178 MM X 110 MM X 26.5 MM. IT HAS RF INPUT AND OUTPUT AND DC CONNECTOR.

CLASSIFICATION HAS BEEN DETERMINED IN ACCORDANCE WITH THE FOLLOWING:- GENERAL INTERPRETATIVE RULES (GIR)S GIR 1 HAS BEEN USED TO CLASSIFY THIS PRODUCT BY THE TERMS OF HEADING 8543 FOR ELECTRICAL MACHINES AND APPARATUS, HAVING INDIVIDUAL FUNCTIONS, NOT SPECIFIED OR INCLUDED ELSEWHERE IN THIS CHAPTER GIR 6 HAS BEEN USED TO CLASSIFY THE GOODS TO SUBHEADING LEVEL 8543 70 FOR OTHER MACHINES AND APPARATUS CN CODE 854370 30 FOR AERIAL AMPLIFIERS ALSO CLASSIFIED IN ACCORDANCE WITH HARMONISED SYSTEM EXPLANATORY NOTES (HSEN) (9) TO HEADING 85.43