חומר Surface: coated paper+stickers+foil Surface color: שָׁחוֹר / לבן / הברקוד, or custom working principle: LC shock circuit Q value: Q≧90 Detection distance: 0.90~1.2 meters Unlock mode: decoding board decoding Center frequency: 8.2MHZ Size: φ40mm, 4040mm ×, 3040mm ×, 5040mm ×, can customized Anti-human shielding capacity: גָבוֹהַ