Antennen • Electronic • 4 dB gain antenna, also usable as combined whip for 406 - 440 MHz / AM/FM reception.• 4 dB gain antenna in low-noise version. Type No. K 70 77 21 Ord. No. 510 184 Connection Maximum load Built-in depth Contents of delivery Special feature 0 dB gain (ref. to quarter-wave whip), 4 dB gain (ref. to quarter-wave whip), Minicrimp (male) Into bore hole 18+1 mm diameter from the external side of the car body. Into bore hole 14 ... 19 mm diameter from the inner side of the car body. Metal parts are made of brass and stainless steel. All visible metal parts are black chromium-plated. Whip, base, antenna wrench. Whip K 70 70 21 01 is marked with the letter „K“