सतह सामग्री: coated paper+stickers+foil Surface color: काली / सफेद / बार कोड, 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, 40× 40mm, 30× 40mm, 50× 40mm, can customized Anti-human shielding capacity: high Notice: इस सामग्री के लिए जावास्क्रिप्ट आवश्यक है.