STATION; TYPE: INTERCOM FLUSH MOUNT; MATERIAL: ANODIZED ALUMINUM; COVER: POLYESTER; COLOR: BLUE; COMPLEMENT: 16 BUTTON TACTILE KEYPAD W/ 10 NUMERIC FUNCTIONS; LCD DISPLAY W/ 2 LINES OF 16 CHARACTERS EACH; MOISTURE RESISTANT; 92 DB SENSITIVITY; MICROPHONE SENSITIVITY OF-70DB WITH S/N RATIO >60DB; BARGE CONTROL ROOM; APPLICATION: TALK BACK SYSTEM; USE: DRILLER CABIN;