USER MANUAL
ESRPB / EDRPB - EASYFIT BLUETOOTH® SINGLE / DOUBLE ROCKER PAD
© 2018 EnOcean | www.enocean.com
F-710-017, V1.0
ESRPB / EDRPB User Manual | v1.3 | Jan 2018 | Page 13/68
4
Telegram format
ExRPB transmits radio telegrams in the 2.4 GHz band according to BLE frame structure. For
detailed information about the BLE standard, please refer to the applicable specifications.
Figure 8 below summarizes the BLE frame structure.
Figure 8 – BLE frame structure
The content of these fields is described in more detail below.
4.1
Preamble
The BLE Preamble is 1 byte long and identifies the start of the BLE frame. The value of the
BLE Preamble is always set to
0xAA
.
4.2
Access Address
The 4 byte BLE Access Address identifies the radio telegram type. For advertising frames,
the value of the Access Address is always set to
0x8E89BED6
.
4.3
Header
The BLE Header identifies certain radio telegram parameters. Figure 9 below shows the
structure of the BLE header.
Figure 9 – BLE header structure