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RFM98 433/470Mhz SX1278 LoRa Wireless Transceiver Modules

The DL-RFM98 transceivers feature the LoRa long range modem that provides ultra-long range spread spectrum communication and high interference immunity whilst minimising current consumption.
  • DL-RFM98
  • DreamLNK
  • DL-RFM98
  • 433/470Mhz
  • SX1278
  • 20dbm
  • 1.8~3.7V
  • -139dBm
  • 3000m
  • 16×16×1.8mm
Quantity:

DL-RFM98 433/470Mhz Wireless FSK Transceiver Module


Brief Introduction

DL-RFM98 is a SX1278 chip based Wireless Transceiver Module, which adopt LoRa modulation technique, can achieve a sensitivity of over -140dBm. 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.

The DL-RFM95/96/98 transceivers feature the LoRa long range modem that provides ultra-long range spread spectrum communication and high interference immunity whilst minimising current 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


Download Center

RFM 98 Specification V1.1 do


Product Versions

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

DL-RFM95/96/98 Device Variants and Key Parameters

Part Number

Frequency Band

Spreading Factor

Bandwidth

Effective Bitrate

Est. Sensitivity

RFM95

868\915MHz

6 - 12

125 - 500 kHz

.293-37.5 kbps

-111 to -136 dBm

RFM96

433\470MHz

6 - 12

62.5- 500 kHz

.1465-37.5 kbps

-112 to -140dBm

RFM98

433\470MHz

6 - 12

62.5- 500 kHz

.1465-37.5 kbps

-112 to -140dBm







Pins Definition

DL-RFM95-915mhz-RF-Transceiver-Module


Number

Name

Type

Description Description Stand Alone Mode

1

GND

-

Ground

2

MISO

O

SPI Data output

3

MOSI

I

SPI Data input

4

SCK

I

SPI Clock input

5

NSS

I

SPI Chip select input

6

RESET

I

Reset trigger input

7

DIO5

I/O

Digital I/O, software configured

8

GND

-

Ground

9

ANT

-

RF signal output/input.

10

GND

-

Ground

11

DIO3

I/O

Digital I/O, software configured

12

DIO4

I/O

Digital I/O, software configured

13

3.3V

-

Supply voltage

14

DIO0

I/O

Digital I/O, software configured

15

DIO1

I/O

Digital I/O, software configured

16

DIO2

I/O

Digital I/O, software configured

Dreamlnk is a high-tech enterprise specializing in ISM band micropower wireless communication technology, providing different kinds of wireless modules and one-stop IoT solutions, including 433/868/915MHz wireless modules, 2.4G RF Modules, FSK Transceiver Modules, Antennas, Remote Controls, and customized wireless RF solutions. Welcome to inquire!

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