High power ASK transmitter ASK modules--2 pairs

Name: High power ASK transmitter ASK modules--2 pairs
SKU: 989
Price: 6.00 USD
Availability: Discontinued
Rating: 4.00 (8 reviews)

(8 Reviews)

Designed by DORJI in China

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High power ASK transmitter ASK modules--2 pairs 1

Wireless solution platform!

High power ASK transmitter ASK modules--2 pairs

Overview ASK Transmitter: DRA887TX Frequency Range: 433MHz 10/17dBm output power Tx current: 24mA Temperature: -20~+70C Supply voltage: 1.5~5.5V ASK receiver: DRA886RX Frequency Range: 433MHz -1…

Overview

ASK Transmitter: DRA887TX

Frequency Range: 433MHz
10/17dBm output power
Tx current: 24mA
Temperature: -20~+70C
Supply voltage: 1.5~5.5V

ASK receiver: DRA886RX

Frequency Range: 433MHz
-107dBm sensitivity
Rx current: 4mA
Temperature: -20~+70C
Supply voltage: 3.6~5.5V

Details

DRA886TX and DRA887TX are low cost ASK transmitter modules which are based on RFIC which minimizes the board size and improve the stability against nterferences. The transmitter modules work in very wide voltage range so they are very suiable for battery-driven applications. DRA886RX is a type of high sensitive ASK receiver which works at 3.6~5.5V. It can be used together with DRA886TX and DRA887TX to construct simple and short range wireless control system.

Application

Door opener, robot control, home automation, security alarm and related applications

Datasheet

DRA887TX

DRA886RX

Design reference based on Picaxe written by Mr. Stan Swan

Note:

This price is for 2 pcs of DRA887TX and 2 pcs of DRA886RX. If you need different combination of quantity (less/more one type, more/less another type), please leave a message to us after placing order.

Review Breakdown

Average Ratings

Product: (4.67)

Documentation: (2.50)

Shipping: (4.67)

Communication: (4.17)

Nimit | Dec. 4, 2015

Good RFIC Module Work with my APRS

I used for the APRS Project for sensor node. the only one problem that I brought 4 units got one non-working unit.

Ronald | Nov. 25, 2015

Excellent product, very cheap, shipped relatively fast

Very good product, used for wireless connection of programmable microchips; picaxe. There was no documentation included, but that's no problem. If you order these, you know how they work, and the manufacturer's webside has all information and datasheets available.
The products were received in perfect condition and they work very well. And they were very inexpensive ! 6 dollars for two transmitters and two receivers, and hardly any costs of shipping: perfect !
Thanks.

Torben | Sept. 18, 2015

Using 3 transmitters, 2 receivers and 4 x tr/rx

Using them in 4 feelers (tx/rx) that communicate with a central system that controls water flow in 4 channels: 2 in front of the house and 2 in the back of the house. The second transmitter in the central system controls the system. Review Image

Josh | Aug. 29, 2015

Good boards but "high power"?

I'm not sure how they measured high power or long distances; but these fell just a touch shy. I felt they were still rock solid boards & performed (as intended & price point) well.
These were ok at low power modes (sleep/rest) but I found I had to power them off & back up (and slight delay) to offset the battery drain as much as possible.
these worked well; farther than the other pair of ask transmitters of similar design.

Steve | Oct. 17, 2014

Great little transmitter/receivers

Bought these for use with Picaxe processors. They work like a dream - even with a simple wire antenna I got >500m range with clear line of sight.

Horacio | Sept. 27, 2014

Excellent RF modules

Just completed initial trial of a pair of these modules and the results are very good. I'm using an Arduino Pro Mini with VirtualWire library and a 16.5 cm wire antenna and I'm getting solid data communication between Transmitter and receiver. Thanks for a good product.

Florin | Jan. 30, 2014

DRA886RX + DRA887TX

I received 2pcs. DRA886RX receivers and 2pcs. DRA887TX transmitters. They are as advertised, genuine Dorji products. I tested the modules indoor for the moment, I can't tell if they are like in the specification but from what I've observed until now (indoor test with no antennas at all) the the RX sensitivity is very good.
Excellent transaction and fast shipping!

Milan | Jan. 30, 2014