DL-RFM95, 868MHz RFM95 868/915Mhz SX1276 Wireless Transceiver Modules

DL-RFM95 868/915Mhz Wireless FSK Transceiver Module

Brief Introduction

The 868/915Mhz RFM95 Wireless Transceiver Modules feature the LoRa long range modem that provides ultra-long range spread spectrum communication and high interference immunity whilst minimising current consumption.

Using LoRa modulation technique DL-RFM95 RF Transceiver Module can achieve a sensitivity of over -140dBm using a low-cost  crystal and bill of materials. The high sensitivity combined with the integrated +20 dBm power amplifier yields industry leading link budget making it optimal for any application requiring range or robustness. LoRa also provides significant advantages in both blocking and selectivity over conventional modulation techniques, solving the traditional design compromise between range, interference immunity  and energy consumption.

These devices also support high performance (G)FSK modes for systems including WMBus, IEEE802.15.4g. The DL-RFM95/96/98 deliver exceptional phase noise, selectivity, receiver linearity and IIP3 for significantly lower current consumption than competing devices.

Features

● LoRa Modem.

● 164 dB maximum link budget.

● +20 dBm - 100 mW constant RF output vs. 3.3V supply.

● +14 dBm high efficiency PA.

● Programmable bit rate up to 300 kbps.

● High sensitivity: down to -144 dBm.

● Bullet-proof front end: IIP3 = -12.5dBm.

● Excellent blocking immunity.

● Low RX current of 10.3 mA, 200 nA registerretention.

● Fully integrated synthesizer with a resolution of 61 Hz.

● FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.

● Built-in bit synchronizer for clock recovery.

● Preamble detection.

● 127 dB Dynamic Range RSSI.

● Automatic RF Sense and CAD with ultra-fastAFC.

● Packet engine up to 256 bytes with CRC.

● Built-in temperature sensor and low batteryindicator.

● Module Size：16*16mm

Applications

● Automated Meter Reading.

● Home and Building Automation.

● Wireless Alarm and Security Systems.

● Industrial Monitoring and Control

● Long range Irrigation Systems

Product Versions

The features of the three product variants are detailed in the following table.

DL-RFM95/96 Device Variants and Key Parameters