Specifications

https://www.lairdconnect.com/wireless-
modules/bluetooth-modules/bluetooth-5-
modules/bl654-series-bluetooth-module-nfc
2
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All Rights Reserved
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Version
Date
Notes
Contributor(s)
Approver
1.0
24 June 2018
Initial Production Release
Raj Khatri
Jonathan Kaye
1.1
29 June 2018
Added certification and BT SIG information
Tom Smith
Jonathan Kaye
1.2
04 Sept 2018
Added new product photos; updated BT SIG and
Ordering information
Sue White
Jonathan Kaye
1.3
20 Sept 2018
Corrected antenna type for FlexPIFA / FlexNotch
in Table 25.
Mark Wolski
Sue White
1.4
03 Oct 2018
Added note re: no support for Nordic SDK.
Rikki Horrigan
Jonathan Kaye
1.5
13 Nov 2018
Updated Standby Doze ram retention to 256k
Raj Khatri
Sue White
1.6
03 Dec 2018
Updated FCC and IC regulatory sections.
Tom Smith
Jonathan Kaye
1.7
03 Dec 2018
Updated Logos and URLs.
Emily Petropoulos
Jonathan Kaye
1.8
22 Mar 2019
Fixed pin 48 typo – A1 changed to A10
Rick Tretow
Jonathan Kaye
1.9
18 Sept 2019
Fixed PCB Antenna characteristics
Dave Drogowski
Jonathan Kaye
1.10
24 Oct 2019
Fixed errors in the Pin Definitions table –
Comments for Pin 8 and Pin 28
Raj Khatri
Jonathan Kaye
1.11
04 Feb 2020
Updated BT to v5.1 from 5.0
Updated SIG information
Sue White
Jonathan Kaye
1.12
6 May 2020
Updated 4.2 Peripheral Block Current
Consumption, tables10(UART), table11(SPI),
table12(I2C), table 13(ADC) and added current
consumption when operated from DCDC(REG1)
and LDO(REG1).
Raj Khatri
Jonathan Kaye
1.13
20 May 2020
Fixed Tape and Reel information
Maggie Teng
Jonathan Kaye
1.14
10 Nov 2020
Added an additional Module Specification note
Henry Wagner
Jonathan Kaye
2.0
14 Dec 2020
Updated all regulatory information
Maggie Teng
Ryan Urness
Jonathan Kaye
2.1
13 Jan 2021
Moved regulatory information to separate BL654
Regulatory Information document
Sue White
Jonathan Kaye