SI4432 module suitable for Arduino, Picaxe

Name: SI4432 module suitable for Arduino, Picaxe
SKU: 903
Price: 4.00 USD
Availability: InStock

(1 Review)

433MHz si4432 wireless RF front-end module

Designed by DORJI in China

SI4432 module suitable for Arduino, Picaxe 1

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433MHz si4432 wireless RF front-end module

DORJI will promote one type of product with large discount in the period of two weeks from time to time in order to thank for the support of tindie users. Please visit the shop of DORJI frequently to enjoy the benefit of high quality products with low cost. The discount code will be displayed on the page of the promoted product.

Features:

433MHz FSK/GFSK transceiver module
20dBm output power
-121dBm sensitivity
Standard SPI interface
Temperature sensor and 8-bit ADC
Data Rate: 0.123~256 kbps
Standby current: <1uA
Supply voltage: 1.8~3.6V

DRF4432F20 is a type of low cost RF front-end transceiver module based on SI4432 from Silicon labs. It keeps all the advantages of RFIC SI4432 but simplifies the circuit design. The high sensitivity (-121dBm) and 13dBm output power make the module suitable for most short range applications. DRF4432F20 module consists of RFIC SI4432, thin SMD crystal and antenna matching circuit. The antenna port is well matched to standard 50 Ohm impedance. Users don't need to spend time in RF circuit design and choose suitable antennas for different applications

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Review Breakdown

Average Ratings

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Steve | April 4, 2014

Dorgi - serious problems.

Received with no document or link to web site for specifications and connector pinout.
No information on how my software was to program the TX/RX switch - this would have been on a schematic (not available) or spec sheet for PCB, not the SiLabs chip on the board.
Tindie web site had none of the above.
I determined the four I ordered came from Dorji.
Dorji's web site's technical inquiry email links yielded bounced, non-deliverable email. I emailed to sales asking them to send to enginerring/support; no response.

I have gotten the boards to work by needless trial and error.

Not a good experience with Tindie.

Response from DORJI | April 4, 2014

Dear Steve,

It's really sorry for the inconvenience. I just checked the sales emailbox and found your email entered into the SPAM folder so we missed the chance to reply to you. I noticed that technical support email address was ineffective because we changed the domain and forgot to change it correspondingly. Our customers used to send technical questions to corresponding sales person so we didn't find the mistake. We will update it soon.

If you visited our website, you might not get to the link (http://www.dorji.com/pro/Wireless-module/Wireless_module.html) which the datasheet and sample codes are provided on the right column. It's our mistake that we didn't put related links on the page of this product on Tindie. We will fix it soon.

This module is surely based on si4432, which we have sold it for more than three years and our customers have used it in thousands of pieces. Before we sold it in Tindie, we also had sold it on Ebay and our resellers/distributors in some countries. If it were a fake chip, our outlet on EBAY would have been ceased :-). Tindie is a good platform for engineering products so I hope you don't lose confidence on the products from other suppliers and sellers and miss the chance to experience their creative works. I will send my email address to your email box soon. Please kindly send me your paypal account. We will refund the amount to you.

Buy with confidence.

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DORJI

Shenzhen, Guangdong, China

Ships from China.

56 Reviews | 1,685 Orders

DORJI

DORJI

$3.50 $3.98

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SI4432 module suitable for Arduino, Picaxe

433MHz si4432 wireless RF front-end module

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Review Breakdown

Average Ratings

Dorgi - serious problems.

Response from DORJI | April 4, 2014

DORJI

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