Owner's Manual

BROWAN COMMUNICATIONS INC. All rights reserved. 14
12.2 Response Content
(Only for unconfirmed downlink)
Port
204
Payload Length
11 bytes
Payload Content
Response content
Ex:
000C01 0343 04E803 059001
00 0C01 => Set keepalive interval: 0x0C -> 12 (x 5min) = 60 min (Unit:5min),
Set Detection interval 0x01-> 1 (x 5min) = 5 mins
Note: 0 means no change (Unit: 5min)
03 43 => Buzzer alarm period in 3 seconds, enable CO2 and disable proximity
sensor: 0x43
04 E803 => Set CO2 threshold: 0x03E8 -> 1000 ppm (*Note: little-endian format.)
05 9001 => Set CO2 calibration value: 0x0190 -> 400 ppm (*Note: little-endian
format.)
12.3 Frame Count 1 Content
Payload Length
9 bytes
Payload Content
Frame count 1 content
Ex:
01 01200000 7ff1f102
01 => command ID
01200000 => HW ID: 0x00002001 (little-endian format)
7ff1f102 => FW Version: 0x02f1f17f (little-endian format)
13. BLE FOTA Downlink Command
Port
206
Payload Length
3 bytes
13. 1 Payload
Bytes
0~2
Payload
0x444655