RFM95 datasheet(16/121 Pages) HOPE

Teilenummer	RFM95

Bauteilbeschribung	Low Power Long Range Transceiver Module

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Hersteller	HOPE [HOPE Microelectronics CO., Ltd.]

Direct Link	https://www.hoperf.com/

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16 / 121 page

Page 16

RFM95/96/97/98(W)

Tel: + 86-755-82973805

Fax: + 86-755-82973550

E-mail: sales@hoperf.com http:/ / www.hoperf.com

RF_OPH_

MAX

Max RF output power, on

PA_BOOST pin

High power mode

-

+20

-

dBm

ΔRF_

OPH_V

RF output power stability on PA_-

BOOST pin versus voltage supply.

VDD = 2.4 V to 3.7 V

-

+/-1

-

dB

ΔRF_T

RF output power stability versus

From T = -40 °C to +85 °C

-

+/-1

-

dB

169 MHz band

10kHz Offset

50kHz Offset

400kHz Offset

1MHz Offset

-

-118

-128

-132

-

dBc/

Hz

433 MHz band

10kHz Offset

50kHz Offset

400kHz Offset

1MHz Offset

-

-109

-121

-128

-

dBc/

Hz

PHN

Transmitter Phase Noise

868/915 MHz band

10kHz Offset

50kHz Offset

400kHz Offset

1MHz Offset

-

-103

-115

-122

-

dBc/

Hz

ACP

Transmitter adjacent channel

power (measured at 25 kHz offset)

BT=1. Measurement conditions as

defined by EN 300 220-1 V2.3.1

-

-37

dBm

TS_TR

Transmitter wake up time, to the

first rising edge of DCLK

Frequency Synthesizer enabled, PaR-

amp

= 10us, BR = 4.8 kb/s

-

120

-

us

temperature on PA_BOOST pin.

2.4.5. Electrical specification for Lora

TM

modulation

The table below gives the electrical specifications for the transceiver operating with LoraTM modulation. Following

conditions apply unless otherwise specified:

Supply voltage = 3.3 V.

Temperature = 25° C.

fXOSC = 32 MHz.

Lower bands: 169 MHz and 433 MHz, higher bands: 868 and 915 MHz

bandwidth (BW) = 125 kHz.

Spreading Factor (SF) = 12.

Error Correction Code (EC) = 4/6.

Packet Error Rate (PER)= 1%

CRC on payload enabled.

Output power = 13 dBm in transmission.

Payload length = 64 bytes.

Preamble Length = 12 symbols (programmed register PreambleLength=8)

With matched impedances

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