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