Adafruit Industries LLC 2491

2491

Part No.:
2491
Manufacturer:
Adafruit Industries LLC
Category:
RF Transceiver Modules
Package:
Datasheet:
2491.pdf
Description:
RX TXRX MOD WIFI TRACE ANT SMD
Quantity:
RFQ
Payment:
payment
Shipping:
payment

Product details

1. How to order 2491 on WEIDEJUN Technology Co., LTD(Ztmel.com)?

Currently, WEIDEJUN Technology Co., LTD(Ztmel.com) only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.

2. How does WEIDEJUN Technology Co., LTD(Ztmel.com) guarantee that 2491 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the 2491. All suppliers must pass our qualification reviews before they can publish their products including 2491 on WEIDEJUN Technology Co., LTD(Ztmel.com); we pay more attention to the channels and quality of 2491 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

3. Are the 2491 price and inventory displayed accurate?

The price and inventory of 2491 fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.

5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.

6. What is the process for return or replacement of 2491?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the 2491 we delivered, we will accept the replacement or return of the 2491 only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of 2491.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations

7.How to contact us to get technical supports, such as 2491 pin diagram, 2491 datasheet?

If you need any after-sales service, please do not hesitate to contact us.

Image 2491 4076 2999 4077 4065
Part Number 2491 4076 2999 4077 4065
Manufacturer Adafruit Industries LLC Adafruit Industries LLC Adafruit Industries LLC Adafruit Industries LLC Adafruit Industries LLC
Packaging Bulk Bulk Bulk Bulk Bulk
Series - - - - -
ProductStatus Active Active Active Active Active
RFFamily/Standard WiFi WiFi WiFi WiFi WiFi
Protocol 802.11b/g/n 802.11b/g/n 802.11b/g/n 802.11b/g/n 802.11b/g/n
Modulation - - - - -
Frequency 2.4GHz ~ 2.5GHz 2.4GHz ~ 2.5GHz 2.4GHz ~ 2.5GHz 2.4GHz ~ 2.5GHz 2.4GHz ~ 2.5GHz
DataRate 72.2Mbps 72.2Mbps 72.2Mbps 72.2Mbps 72.2Mbps
Power-Output 20.5dBm 20.5dBm 20.5dBm 20.5dBm 20.5dBm
Sensitivity -98dBm -98dBm -98dBm -98dBm -98dBm
SerialInterfaces I²C, I²S, SDIO, SPI, UART I²C, I²S, SDIO, SPI, UART I²C, I²S, SDIO, SPI, UART I²C, I²S, SDIO, SPI, UART I²C, I²S, SDIO, SPI, UART
AntennaType Integrated, Trace Integrated, Trace Integrated, Trace Integrated, Trace Integrated, Trace
UtilizedIC/Part ESP8266 ESP8266 ESP8266 ESP8266 ESP8266
MemorySize 4MB Flash 4MB Flash 4MB Flash 4MB Flash 4MB Flash
Voltage-Supply 3V ~ 3.6V 3V ~ 3.6V 3V ~ 3.6V 3V ~ 3.6V 3V ~ 3.6V
Current-Receiving 50mA ~ 56mA 50mA ~ 56mA 50mA ~ 56mA 50mA ~ 56mA 50mA ~ 56mA
Current-Transmitting 120mA ~ 170mA 120mA ~ 170mA 120mA ~ 170mA 120mA ~ 170mA 120mA ~ 170mA
MountingType Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
OperatingTemperature -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C

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