LoRa/BLE Modules
Hardware Integration Guide
Embedded Wireless Solutions Support Center:
http://ews-support.lairdtech.com
www.lairdtech.com/wireless
4
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O
VERVIEW AND
K
EY
F
EATURES
This Hardware Integration Guide describes both the RM186 (868MHz band for EU) and RM191 (915MHz band
for US). The differences will be outlined in the Radio Specifications.
Every RM1xx Series module is designed to enable OEMs to add a long range LoRa radio link as well as central
role Bluetooth Low Energy (BLE) to small, portable, power-conscious devices. The RM1xx modules are enabled
with Laird’s smart
BASIC, an event-driven programming language that enables OEMs to make their product
development quicker and simpler, significantly reducing time to market. smartBASIC enables customers to
develop a complete embedded application inside the compact RM1xx hardware, connecting to a wide array of
external sensors via its I2C, SPI, UART, ADC or GPIO interfaces.
Based on the world-leading Nordic Semiconductor nRF51822 (BLE) and Semtech Sx1272 (LoRa) chipsets, the
RM1xx modules provide
ultra-
low power consumption with outstanding wireless range using the LoRa radio link
and local BLE connections via 3 dBm of transmit power. This document should be read in conjunction with the
smart BASIC user manual.
Note:
This is a PRELIMINARY version of the RM1xx Hardware Integration Guide. Information in this
document is subject to change. Please contact Laird to obtain the most recent version of this
document –
http://ews-support.lairdtech.com
Features and Benefits
Application Areas
Bluetooth v4.0 – Central Mode
On Board BLE Chip Antenna
u.FL for external LoRa antenna
smartBASIC programming language
Bluetooth SIG Listed
Compact Footprint
Long Range LoRa range up to 15km
BLE Programmable TX power +3 dBm to -20 dBm
BLE TX whisper mode (-30 dBm, -55 dBm)
BLE RX sensitivity: -91 dBm
Ultra-low power consumption
BLE TX: 11.6 mA peak (at +3 dBm) (See Note 4 in the Power
Consumption section)
BLE RX: 8.8 mA peak (See Note 4 in the Power Consumption
section)
Standby Doze: TBD
Deep Sleep: TBD (See Note 4 in the Power Consumption
section)
UART, GPIO, ADC, PWM FREQ output, TIMERS, I2C, and SPI
interfaces
Fast Time to Market
FCC/IC (RM191-SM), CE (RM186-SM)
No external components required
Public or Private Networks
Irrigation / Agriculture
Parking
Lighting
Asset Tracking
Tank Monitoring
Smart Home – smoke alarms,
heating,
Access Control – security
Industrial Automation –
Factory
Any long range, battery
powered sensor application!