SCANTECH ID (Champtek company) RFT500 - Manual (Page 5)

User Manual – RFT500 433MHz Wristband Tag
5
Packet Format
Packet Format 1 (without temperature)
Head Reader ID Group Tag ID Status RSSI
End
Code
$ 000000~999999 00 000000~999999 (*)0~7 00~99
0x0d
0x0a
Packet Format 2 (with temperature)
Head
Reader
ID
Group Tag ID Status Temp. RSSI
End
Code
$ Same 00 Same 0~7 000~400(**) 00~99
0x0d
0x0a
(*)Status: 0 to 7 means hexadecimal 0x00 to 0x07 (Ex. 0x01 represents
the wristband is wearing, battery ok, and key pressed.)
Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0
0 0 0 0 0
0—Wearing
1—Taking off
0—Battery ok
1—Battery low
0—Normal
1—Key pressed
(**) Ex. 322 means 32.2
℃
Implementation Notice

RFT500 only sends packet with temperature and check battery status
once per minute.

Battery life will decline faster under low temperature environment
due to the battery physical characteristic.