Data Sheet
LC840PA
Datasheet
https://www.lairdconnect.com
6
© Copyright 2021 Laird Connectivity
All Rights Reserved
Americas: +1-800-492-2320
Europe: +44-1628-858-940
Hong Kong: +852 2762 4823
2 SPECIFICATION
2.1 Specification Summary
Categories/Feature
Implementation
Wireless Specification
Bluetooth®
▪ BT 5.1 – Single mode
▪ 4x Range (CODED PHY support) – BT 5.1
▪ 2x Speed (2M PHY support) – BT 5.1
▪ Concurrent master, slave
▪ Diffie-Hellman based pairing (LE Secure Connections) – BT 4.2
▪ Data Packet Length Extension – BT 4.2
▪ Link Layer Privacy (LE Privacy 1.2) – BT 4.2
▪ LE Dual Mode Topology – BT 4.1
▪ LE Ping – BT 4.1
IEEE 802.15.4-2006 250kbps
PHY (Laird FCC and ISED
certified for HW with Laird
supplied FW only, customer must
implement in their FW conditions
in Note 1, Note 2)
▪ 2405-2475 MHz IEEE 802.15.4-2006 radio transceiver, implementing 802.15.4-
2006 compliant
▪ 250 kbps, 2450 MHz, O-QSPK PHY
▪ Channel 11-25, channel 11 2405 MHz and CH25 2475 MHz (CH26 not
certified)
▪ Clear channel assessment (CCA)
▪ Energy detection (ED) scan
▪ CRC generation
Frequency
2.402 - 2.480 GHz for Bluetooth LE (CH0 to CH39)
2.405 - 2.475 GHz for IEEE 802.15.4-2006 (CH1 to CH25). CH26 (2480 MHz) not
certified and therefore customer must not operate at CH26 (2480 MHz).
Raw Data Rates
1 Mbps Bluetooth LE (over-the-air)
2 Mbps Bluetooth LE (over-the-air)
125 kbps Bluetooth LE (over-the-air)
250 kbps IEEE 802.15.4-2006 (over-the-air)
Maximum Transmit Power Setting
See Note 6 in Module
Specification Notes.
+18 dBm conducted
453-00087 (integrated antenna)
+18 dBm conducted
453-00088 (external antenna)
Minimum Transmit Power Setting
-26 dBm, -6 dBm, 0 dBm, 6 dBm, 14 dBm
Receive Sensitivity
(≤37-byte Bluetooth LE packet)
Bluetooth LE 1 Mbps (BER=1E-3)
-98.5 dBm typical
Bluetooth LE 2 Mbps
-95 dBm typical
Bluetooth LE 125 kbps
-107 dBm typical
IEEE 802.15.4-2006 250 kbps
-103.5 dBm typical
Link Budget (conducted)
116.5 dB
@ Bluetooth LE 1 Mbps
121 dB
@ Bluetooth LE 125 kbps
121.5 dB
@ IEEE 802.15.4-2006 250 kbps
Maximum Received Signal
Strength at <0.1% PER
-11 dBm (limited by 11dB RX LNA gain)
RF Cellular Coexistence
RF Band Pass Filter
Assists with cellular RF co-existence