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Description
MAXIM INTEGRATED PRODUCTS MAX1472AKA+T RF TRANSMITTER, 300-450MHZ, SOT-23-8The MAX1472AKA+T is a 300MHz to 450MHz, low power, crystal based ASK transmitter in 8 pin SOT 23 package. This highly integrated crystal referenced phase locked loop (PLL) VHF UHF transmitter designed to transmit OOK ASK data in 300MHz to 450MHz frequency range. The MAX1472 supports data rates up to 100Kbps and adjustable output power to more than +10dBm in to 50 ohm load. The crystal based architecture of MAX1472 eliminates many of the common
The MAX1472AKA+T is a 300MHz to 450MHz, low power, crystal based ASK transmitter in 8 pin SOT-23 package. This highly integrated crystal referenced phase locked loop (PLL) VHF/UHF transmitter designed to transmit OOK/ASK data in 300MHz to 450MHz frequency range. The MAX1472 supports data rates up to 100Kbps and adjustable output power to more than +10dBm in to 50 ohm load. The crystal based architecture of MAX1472 eliminates many of the common problems with SAW transmitters by providing greater modulation depth, faster frequency settling, higher tolerance of transmit frequency and reduced temperature dependence. These improvements enable better overall receiver performance when using a superheterodyne receiver such as MAX1470 or MAX1473. The MAX1472 is used in remote keyless entry, RF remote controls, tire pressure monitoring and radio controlled toys.
- Single supply voltage range from 2.1V to 3.6V
- Automotive temperature range from -40°C to 125°C
- Low operating supply current is 5.3mA (50% duty cycle, fRF=315MHz, 2.7V supply, 10dBm output power)
- Supports ASK with 90dB modulation depth
- Transmit efficiency with CW is 43.6% at fRF = 315MHz and 41.3% at fRF = 433MHz
- Transmit efficiency at 50% duty cycle is 37.6% at fRF = 315MHz and 35.1% at fRF = 433MHz
- Uses small low cost crystal
- Fast-on oscillator, 220µs start-up time
- Standby current of 5nA at VENABLE < VIL, TA < +85°C
- Phase noise of -84dBc/Hz at fOFFSET =100KHz, fRF = 315MHz
Applications
Communications & Networking, Security, Wireless, Automation & Process Control, Automotive
- :
- -
- :
- -40°C
- :
- 10.3dBm
- :
- 125°C
- :
- ASK, OOK
- :
- 8Pins
- :
- -
- :
- -
- :
- 450MHz
- :
- Low Cost Wireless Data Transfer, RF Remote Controls, Security Systems, Wireless Metering
- :
- 2.1V
- :
- SOT-23
- :
- Cut Tape
- :
- 300MHz
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- 3.6V
- :
- 100Kbps
- :
- MSL 1 - Unlimited
Product details
| Transmitting Current | - |
| Operating Temperature Min | -40°C |
| Output Power (dBm) | 10.3dBm |
| Operating Temperature Max | 125°C |
| RF / IF Modulation | ASK, OOK |
| No. of Pins | 8Pins |
| Sensitivity dBm | - |
| Product Range | - |
| Frequency Max | 450MHz |
| RF Transmitter Applications | Low Cost Wireless Data Transfer, RF Remote Controls, Security Systems, Wireless Metering |
| Supply Voltage Min | 2.1V |
| RF IC Case Style | SOT-23 |
| Packaging | Cut Tape |
| Frequency Min | 300MHz |
| Supply Voltage Max | 3.6V |
| Data Rate | 100Kbps |
| MSL | MSL 1 - Unlimited |
Other details
| Brand | MAXIM INTEGRATED PRODUCTS |
| Part Number | MAX1472AKA+T |
| Quantity | Each (Supplied on Cut Tape) |
| Technical Data Sheet EN | |
| Application Note EN |
All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them. Image is for illustrative purposes only. Please refer to product description.
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4.0 ★★★★★
Based on 22 reviews
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Product Reviews
★★★★★ 4
Pretty shelves for small space
Size: 17 Inch, Color: Natural
Good quality shelves and easy to install once I used my own stronger anchors and screws. The ones provided were too weak and made the shelf unstable. I had to patch several holes in my wall before installing them correctly. If they had provided better quality anchors I would have rated it 5 stars. Still very happy with my purchase.
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Reviewed in the United States on July 12, 2025
★★★★★ 1
Flimsy and doesn’t hold weight
Size: 17 Inch, Color: Natural, Size: 17 Inch, Color: Natural
Do not buy this. The frame this comes with is so small and flimsy. I didn’t even have anything on the shelves yet and they were falling off the wall. The wood is a beautiful color but the quality is awful.
I had different floating shelves on the same wall and I included a picture of the thick metal frame those came with, also from Amazon to show how flimsy this brand is.
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Reviewed in the United States on March 24, 2026
★★★★★ 5
Really nice shelves well-made
Size: 30 Inch, Color: Walnut, Size: 30 Inch, Color: Walnut
I recently installed a set of floating wooden shelves above my kitchen sink, and they have completely transformed the space. The natural wood grain adds warmth and character, making my kitchen feel more open and inviting. The shelves are sturdy and well-made, supporting everything from dishware to small plants and decorative items without any sagging.
Installation was straightforward, with the included hardware making it easy to mount them securely. I was pleasantly surprised by how well they hold weight while maintaining a sleek, minimalistic look. The floating design gives a clean, uncluttered aesthetic, which is exactly what I was looking for.
Functionally, they’ve made a huge difference. I can now keep everyday essentials like mugs and spices within easy reach while freeing up valuable counter space. They’re also a great alternative to upper cabinets, preventing the area above my sink from feeling closed in.
Overall, these floating wooden shelves are both practical and stylish. Whether you’re looking to add storage or just enhance your kitchen’s design, they’re a fantastic option. I highly recommend them for anyone wanting a simple yet impactful upgrade to their space!
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Reviewed in the United States on February 13, 2025
★★★★★ 3
Look nice, not sturdy or supportive
Size: 17 Inch, Color: Dark Blue
The color and thickness of the shelf is great. Very easy to install. But the wall mount portion is cheaply made and doesn’t support the shelf as well as it should. Once mounted the shelf leans forward and isn’t sturdy. After mounting, I found my items had slid off end up on the floor.
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Reviewed in the United States on January 24, 2026
★★★★★ 5
The color is beautiful
Size: 17 Inch, Color: Dark Blue
These are beautiful! I bought them for my Grandsons Baseball room. We haven’t put them up yet. They will be a great addition to his red, white, and blue baseball room!
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Reviewed in the United States on May 18, 2026