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RFM98W 5 3
Transceiver module RFM98W (433 MHz)
Status: Active
Class: 2
(see: FAQ)


- A complete transceiver
- Small shape
- High output power; +20 dBm (100 mW)
- High sensitivity up to -139 dBm***
- Range > 5000 meter*
- Link-budget: 159 dB**
- SPI interface
- Very stable frequency (PLL)
- Frequency hopping
- Power consumption TX: 120 mA at maximum TX power
- Power consumption RX: 11 mA
- Sleep power consumption: 1.4 mA (0,1 µA sleep)
- Power supply range: 2.4-3.7 V
- OOK, (G)FSK, (G)MSK and LoRatm Modulation
- Data rate: up to 300 kbit/s
- Industrial temperature range: -40oC to +85oC

Specific (LoRatm):

- Frequency band: 433 MHz
- Spreading Factor: 6 -12
- Bandwidth: 62.5 kHz to 500 kHz***
- Symbols: 64 (6 bits/sym.)
- FEC: 4/5 - 4/8
- Effectieve Bitrate: 146 bps - 37.5 kbps***
- Sensitivity: -111 dBm to -139 dBm***
- Oscillator: XTAL***


- Wireless security systems
- Remote control
- Wireless sensors
- Home automation
- AMR (Automatic Meter Reading)
- Long range communication

Product description:

The transceiver module is a complete and efficient RF transceiver, suited for exchanging data with a data rate up to 300 kbit/s.Because of the SMD construction, the module has a very small shape.
The module can be controlled directly by a microcontroller with SPI interface. This way the total hardware of the system can be limited to a minimum.

The module is available for the 433 MHz ISM frequency band used in Europe.

* under specific conditions:
The range depends on the following parameters:

- TX power
- RX sensitivity
- Data rate
- Spreading Factor
- Transmitter bandwidth
- Receiver bandwidth
- Antenna height
- Antenna type
- Radio protocol
- Etc.

** Using 2 modules of the same type and a data rate of 146 bps (LoRatm).

*** the LoRatm modem specification can be extended with a TCXO (temperature compensated oscillator) and the calibration of the center frequency. When using a TCXO, the specifications are:

- Bandwidth: 7.8 kHz tot 500 kHz
- Effectieve Bitrate: 9 bps - 37.5 kbps
- Sensitivity: -111 dBm tot -148 dBm
- Maximum Link-budget: 168 dB
- Range > 10 kilometer

The maximum Link-budget can be reached with maximum transmit power, a bandwidth of 7.8 kHz, a Spreading Factor of 12 and a Coding Rate (FEC) of 4/5. The effectieve bitrate is 9.14 bits/s.

Contact us for more information.

Attachments (.doc): download, rename to .zip and unzip.
Price details:
Price per piece:
€ 7,76
Quantity: Order

Expected delivery time

20 day(s)



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Jan -

Prima producten en snelle levering, top

raats -

perfect en goed geholpen

Andreas -

1. Die Ware wurde von Ideetron sehr schnell geliefert.
2. Ein top Produkt, das genau das hält, was die Beschreibung aussagt. 22 Km unter Sichtbedingungen sind gar kein Problem. Ich kann das Produkt uneingeschränkt empfehlen.

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