SX1278 LoRa Ra-02 433M Wireless Module Spread Socket for Smart Home
$ 2.64
Description
Store Categories Store Categories Other SX1278 LoRa Ra-02 433M Wireless Module Spread Socket for Smart Home Product Description Description: Ra-02 is a wireless transmission module based on SEMTECH's SX1278 wireless transceiver. It adopts advanced LoRa spread spectrum technology, with a communication distance of 10,000 meters. It has strong ability of anti-jamming and has the function of air wake-up Consumption. Can be covering thousands of people in the district environment, particularly suitable for meter reading, smart home, burglar alarm equipment. The LoRa series module Ra-01 is designed and developed by AI-THINKER Technology. The SX1278 RF module is mainly used for long-range spread spectrum communication. It can resist Minimize current consumption. Thanks to SEMTECH's patented LoRa ™ modulation technology, the SX1278 has a high sensitivity of -148 dBm with a power output of +20 dBm, a long transmission distance and high reliability. At the same time, compared with the traditional modulation technology, LoRa ™ modulation technology has obvious advantages in anti-blocking and selection, which solves the problem that the traditional design scheme can not consider the distance, interference and power consumption at the same time. Features: LoRa ™ Spread Spectrum modulation technology Constant RF power output at + 20dBm-100mW voltage change High sensitivity: down to -148dBm Half-duplex SPI communication Programmable bit rates up to 300kbps Supports FSK, GFSK, MSK, GMSK, LoRa ™ and OOK modulation modes 127dB RSSI dynamic range Automatic RF signal detection, CAD mode and very high speed AFC Packet engine with CRC up to 256 bytes Small footprint dual-row stamp-hole patch package Shielded housing Spring Antenna P ackage Included: 1PC Note: 1. We can offer b ulk pric e , i f yo u nee d large quantity , please feel free to send a message to cons ult cust om er servic e for wholesa l e price . 2.Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Payment Policy Shipping Policy Returns Policy Feedback Payment Policy 1.EBAY Managed Payment. But we only Accept your Ebay Address, please Make sure it's 100% right.. 2.If you want to revise the shipping address. Please contact us within 24 hours by ebay message. Because our handing time is 1-3 business day. Thanks in advance for your close cooperation! Shipping Policy 1.All the items will be shipped within 1-3 business day by Airmail after the payment is clear. 2.If your shipping address is in United States. Then, your goods will be shipped out by Standard shipping, which tracking number will be shown on eBay. And, usually it takes 10-15 days shipping time. 3.Most times you will receive your order within 10-30 business days after we transfer your package to the delivery company. We cannot guarantee the delivery timeframe if the post office has any unexpected delays due to holiday, weather, customs, or other conditions. Some countries like Russia, Brazil, or some European countries may take up to 50 days or longer for delivery. 4.Please choose some local sellers, if you cannot wait patiently in the shipping time we declared. 5.We appreciate your patience if you haven't received items in 30 days(Russian customers may need more patience by reason of the local delivery system and/or customs). If you are concerned in any way, please feel free to contact us via ebay message instead of leaving negative/neutral feedback or opening a dispute. We will make every effort to fix any problem(resend or refund any missing item). 6.Customs duty is obligation and liability of a citizen in your country, so buyer should be responsible for any tax and custom duty incurred. Generally, the delay or failure delivery is sometimes caused by the policy of different customs. For example, Laser Pointer is unacceptable in some countries. Therefore, please double check your local customs policy carefully before purchase. Or, we will NOT be responsible for any failure delivery related destination customs issue. Returns Policy 1.We accept return or replace goods within 30 days after package signed. 2.Return police 1)Quality problem or get wrong item:you can get free change or full refund 2)Dislike:You can return goods back to us,and get your payment back 3.Return Shipping Fee: 1)Quality problem or get wrong item:Shipping free on seller 2)Dislike:Shipping fee on buyer Feedback 1.Any problem after receiving our goods,please contact us before leaving Neutral/Negative feedback.We promise to help you solve it asap,and make you feel satisfactory absolutely. 2.Please DO NOT leave negative feedback without asking for help. Please do not leave negative or neutral feedback if you haven't received item in 30 days, because we have mentioned the shipping time repeatedly. Copyright © 2023 Dianxiaomi
