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ATWINC1500-MR210UB
Microchip Technology
RF TXRX MODULE WIFI U.FL SMD
2117 Pcs New Original In Stock
WiFi 802.11b/g/n Transceiver Module 2.4GHz Antenna Not Included, U.FL Surface Mount
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5.0 / 5.0
- (47 Ratings)
ATWINC1500-MR210UB
Product Overview
1287696
DiGi Electronics Part Number
ATWINC1500-MR210UB-DGManufacturer
Microchip Technology
ATWINC1500-MR210UB
Description
RF TXRX MODULE WIFI U.FL SMDInventory
2117 Pcs New Original In Stock
WiFi 802.11b/g/n Transceiver Module 2.4GHz Antenna Not Included, U.FL Surface Mount
Quantity
Minimum 1
Minimum 1
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ATWINC1500-MR210UB Technical Specifications
Category
RF Transceiver Modules and Modems
Packaging
-
Series
-
Product Status
Active
DiGi-Electronics Programmable
Not Verified
RF Family/Standard
WiFi
Protocol
802.11b/g/n
Modulation
16-QAM, 64-QAM, BPSK, CCK, DBPSK, DQPSK, OFDM, QPSK
Frequency
2.4GHz
Data Rate
72.2Mbps
Power - Output
19.5dBm
Sensitivity
-98dBm
Serial Interfaces
I2C, SPI, UART
Antenna Type
Antenna Not Included, U.FL
Utilized IC / Part
-
Memory Size
4MB Flash, 128kB RAM
Voltage - Supply
3V ~ 4.2V
Current - Receiving
52.5mA ~ 70.1mA
Current - Transmitting
132mA ~ 294mA
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C
Package / Case
Module
Firmware Version
19.4.4
Base Product Number
ATWINC1500
Datasheet & Documents
HTML Datasheet
ATWINC1500-MR210UB-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
3 (168 Hours)
REACH Status
REACH Unaffected
ECCN
5A992C
HTSUS
8542.31.0001
Additional Information
Standard Package
50
Alternative Parts
PART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
배송이 예상보다 빨랐고, 고객 지원이 매우 만족스러웠습니다.
de desembre 02, 2025
每次購買都很愉快，產品品質與包裝都令人滿意。
de desembre 02, 2025
Une attention particulière à la qualité qui se traduit par des produits durables.
de desembre 02, 2025
パッケージのクオリティが高く、商品を大事に扱っていることが伝わります。
de desembre 02, 2025
DiGi Electronics' inventory policies help us minimize shortages and excess stock.
de desembre 02, 2025
Ship speed was outstanding — I received my order within two days.
de desembre 02, 2025
Their logistics workflow ensures timely deliveries, and their support team responds rapidly to inquiries.
de desembre 02, 2025
DiGi Electronics' large inventory allows us flexibility and assurance in planning our supply chain.
de desembre 02, 2025
DiGi Electronics' inventory management practices set a benchmark in the industry.
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Frequently Asked Questions (FAQ)
What are the key design risks when integrating the ATWINC1500-MR210UB into a compact IoT device with limited PCB real estate and thermal headroom?
The ATWINC1500-MR210UB, while compact, requires careful RF layout practices due to its 2.4GHz operation and U.FL antenna interface. A major risk is improper grounding or inadequate clearance around the RF section, which can degrade sensitivity (rated at -98dBm) and increase packet loss. Additionally, peak transmit current reaches 294mA—nearly 6x the idle receive current—so power delivery must include low-ESR decoupling capacitors within 2mm of the module. Thermal vias under the module are recommended to mitigate self-heating during sustained TX bursts, especially in enclosures with poor airflow. Always follow Microchip’s reference layout and perform pre-compliance radiated emissions testing early in prototyping.
Can the ATWINC1500-MR210UB reliably replace an ESP32-WROOM-32 in an existing 802.11n design, and what firmware or driver changes are needed?
Direct replacement of the ESP32-WROOM-32 with the ATWINC1500-MR210UB is not plug-and-play due to architectural differences: the ATWINC1500-MR210UB is a network coprocessor requiring a host MCU via SPI/UART, whereas the ESP32 integrates application and Wi-Fi cores. You’ll need to port your application logic to a separate host (e.g., SAM D21 or PIC32), implement Microchip’s WINC1500 driver stack (v19.4.4), and handle TLS/stack management externally. Also, note that the ATWINC1500-MR210UB lacks Bluetooth, so dual-mode applications must be redesigned. Evaluate total BOM cost and development time—this swap may only make sense if you already use a Microchip MCU ecosystem.
How does the ATWINC1500-MR210UB perform in high-interference 2.4GHz environments like industrial warehouses with multiple Wi-Fi networks and Zigbee devices?
The ATWINC1500-MR210UB supports 802.11b/g/n with 64-QAM modulation but operates only in the crowded 2.4GHz band, making it susceptible to co-channel interference. In dense RF environments, packet retry rates can increase significantly despite its -98dBm sensitivity. To mitigate this, implement dynamic channel selection in firmware, avoid channels 1, 6, and 11 overlap by scanning for least-congested frequencies, and consider adding an external LNA or high-gain directional antenna via the U.FL connector. However, for mission-critical industrial use, evaluate moving to a 5GHz-capable module (e.g., ATWINC3400) or wired alternatives, as the ATWINC1500-MR210UB lacks DFS or advanced interference mitigation features.
What reliability concerns should I consider when deploying the ATWINC1500-MR210UB in outdoor or automotive applications near the -40°C to 85°C operating limit?
Although the ATWINC1500-MR210UB is rated for -40°C to 85°C, sustained operation at temperature extremes impacts RF performance and longevity. At -40°C, crystal oscillator drift may cause connection instability unless you use a compensated external clock. Near 85°C, transmit power can drop below the 19.5dBm spec due to thermal derating—verify output power across the full temperature range during validation. Also, MSL 3 rating means the module must be mounted within 168 hours of exposure to ambient humidity; improper handling can lead to popcorning during reflow. For automotive use, ensure your PCB assembly process meets AEC-Q100 stress test guidelines, even though the module itself isn’t automotive-qualified.
Is it safe to power the ATWINC1500-MR210UB directly from a lithium battery without additional regulation, given its 3V–4.2V supply range?
While the ATWINC1500-MR210UB’s supply range (3V–4.2V) matches a single Li-ion cell, direct connection without regulation poses risks. During transmit peaks (up to 294mA), battery internal resistance can cause voltage sag below 3V, triggering brownout resets—especially as the battery discharges toward 3.2V. Additionally, voltage spikes during module wake-up may exceed 4.2V if the battery is freshly charged. Use a low-dropout regulator (LDO) with <50mV dropout and high PSRR (e.g., MCP1700) or a buck-boost converter for stable 3.3V delivery. Always include a 10µF ceramic capacitor at the VDD pin to handle transient loads and prevent RF performance degradation.
Quality Assurance (QC)
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ATWINC1500-MR210UB CAD Models
Microchip Technology ATWINC1500-MR210UB PCB symbols & footprints
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