Users Manual Part 1

Page 4 of 21
Chapter1Overview
The S95 standard hardware module is a high-performance IoT Bluetooth transceiver
based on the NORDIC Bluetooth SOC nRF52 series (supporting Bluetooth 5.0). The
module uses a stamp-type interface; the package is compatible with the E66 module
(Pin-to-Pin) and supports both external antennas and on-board antennas. The product has
the characteristics of low power consumption, small size and strong anti-interference
ability.
Based on the optimized Bluetooth SDK provided by Lierda, users can easily develop
Bluetooth applications, shorten the development cycle, and help you seize market
opportunities.
Table 1-1 Model Description
Model Description
LSD4BT-S95
nRF52805, external antenna and on-board antenna, this
model does not include software. For software product,
please confirm the model and MPQ information with the
sales.
1.1E91Amodulefeatures
● Bluetooth 5
● ARM® Cortex®-M4 32-bit processor, 64 MHz
● 192 KB Flash + 24 KB RAM
● LEmode：1 Mbps
● Link Budget：98dB
● Receive sensitivity：-94dB
● Output power：MAX 4dBm
● RSSI accuracy：1dB
● Working voltage：1.7-3.6V
● Number of configurable GPIO ：10
● ADC accuracy：12bit / 200 ksps
● 50ΩRF port1
● Programmable peripheral interface-PPI
● DC-DC work mode