USER MANUAL
PTM 215B – BLUETOOTH
®
PUSHBUTTON TRANSMITTER MODULE
© 2019 EnOcean | www.enocean.com
F-710-017, V1.0
PTM 215B User Manual | v1.9 | June 2019 | Page 46/85
6.7.10
Radio channel selection registers
If the
TRANSMISSION MODE
field of the
Variant
register is set to a value other than
0x00
then
the radio channels for transmission are selected using the registers
TX_CHANNEL1
,
TX_CHANNEL2
and
TX_CHANNEL3
as described in chapter 3.3.
The
TX_CHANNEL1
,
TX_CHANNEL2
and
TX_CHANNEL3
registers are 1 byte wide and use the en-
coding shown in Table 6 below.
Note that two radio channel types are supported by PTM 215B:
Standard BLE radio channels
BLE Channel 0 … BLE Channel 39 use the even frequencies from 2402 MHz to 2480
Custom radio channels in between the standard BLE channels
Custom Channel 40 … 78 use the odd frequencies from 2403 MHz to 2479 MHz
TX_CHANNELn
Frequency
Channel Type
BLE Radio Channels
37
2402 MHz
BLE Advertising Channel
0
2404 MHz
BLE Data Channel
1
2406 MHz
BLE Data Channel
…
10
2424 MHz
BLE Data Channel
38
2426 MHz
BLE Advertising Channel
11
2428 MHz
BLE Data Channel
12
2430 MHz
BLE Data Channel
…
36
2478 MHz
BLE Data Channel
39
2480 MHz
BLE Advertising Channel
Custom Radio Channels
40
2403 MHz
Custom Radio Channel
41
2405 MHz
Custom Radio Channel
…
77
2477 MHz
Custom Radio Channel
78
2479 MHz
Custom Radio Channel
Table 6 – Radio Channel Selection register settings