المواد السطحية: coated paper+stickers+foil Surface color: أسود / أبيض / الباركود, 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: high Notice: مطلوب جافا سكريبت لهذا المحتوى.