Listing Description 2.45G Active Thin Card, Seal with long battery life.

Frequency:2.40~2.48Ghz
Modulation: GFSK
Channel/Baud Rate: 125/1M
Reading Distance: Up to 100M (Open field)
Low battery consumption design, battery life up to 5 years
Dimensions: 86x54x4.5 mm
Operating Temp.: -25~65 C
Storage Temp.: -40~85 C
RF Power: < 1m W
Output Power: Adjustable
Housing: Water/Dust-proof