|
Model
Parameter
|
245A
|
245W
|
245T
|
245WT
|
|
Working Frequency
|
2.4GHz――2.5GHz ISM
|
|
Operating mode
|
Read only
|
Read and write
|
Temperature
|
R&W temperature
|
|
RF Power
|
-18dBm-0dBm
|
|
Reading distance
|
0~50m (with standard matched 2dBi Omni directional antenna)
0-200m(depends on antenna)
|
|
Operating Current
|
<22uA，3V (500ms transmitting interval)
|
|
Modulation
|
GFSK
|
|
Communication rate
|
250Kbps、1Mbps、2Mbps
|
|
User memory
|
/
|
4KByte
|
/
|
4KByte
|
|
Detecting precision
|
/
|
/
|
±0.5℃
|
±0.5℃
|
|
Working temperature
|
-20℃～60℃ 90%RH
|
|
Life time
|
Read and write: 2 years(500ms transmitting interval)
Read only: 4-5 years (500ms transmitting interval)
|
|
Electric hint
|
Alarm when low battery
|
|
Material
|
ABS(RoHS), flame retardant
|
|
Color
|
White, blue, yellow, green
|
|
Protection Grade
|
IP65
|
|
Drop testing
|
1.2m
|
|
Weight
|
30g
|
|
Dimension
|
87mm*56mm*5mm
|
|
|
|
|
| Payment Terms︰ | TT/Western union /paypal/Escrow/Cash |
|
|
Product Image
|
