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Description
TTGO LORA32 V2.1 ESP32 0.96 inch OLED Bluetooth WiFi Wireless Module 915MHz SMA IP5306 Module with Antenna, 915MHz1. Working voltage: 1. 8~13. 7V 2. Acceptable current: 10~114mA 3. Emission current: 120mA at + 20dBm 90 mA lies at +17dBm 29mA at +13dBm 4. Working frequency: 915MHz 5. Transmitting power: + 20dBm 6. Receiving sensitivity: 139dBm lies at LoRa & 62. 5Khz & SF = 12 & 146bps 136dBm lies at LoRa & 125Khz & SF = 12 & 293bps 118dBm lies at LoRa & 125Khz & SF = 6 & 9380bps 123dBm lies at FSK & 5Khz & 1. 2Kbps 7. Frequency error: + 15KHz 8. FIFO space:
1. Working voltage: 1.8~13.7V2. Acceptable current: 10~114mA
3. Emission current:
- 120mA at + 20dBm
- 90 mA lies at +17dBm
- 29mA at +13dBm
4. Working frequency: 915MHz
5. Transmitting power: + 20dBm
6. Receiving sensitivity:
- 139dBm lies at LoRa & 62.5Khz & SF = 12 & 146bps
- 136dBm lies at LoRa & 125Khz & SF = 12 & 293bps
- 118dBm lies at LoRa & 125Khz & SF = 6 & 9380bps
- 123dBm lies at FSK & 5Khz & 1.2Kbps
7. Frequency error: +/- 15KHz
8. FIFO space: 64Byte
9. Data rate:
-1.2K~1300Kbps at FSK
-0.018K~37.5Kbps at LoRa
10. Modulation mode: FSK, GFSK, MSK, GMSK, LoRa TM, OOK
11. Interface form: SPI
12. Sleep current:
- 0.2uA SLEEP
- 1.5uA IDLE
13. Working temperature: -40 degrees Celsius-+ 85 degrees Celsius
14. Digital RSSI function
15. Automatic frequency correction
16. Automatic gain control
17. RF wake-up function
18. Low voltage detection and temperature sensor
19. Fast wake-up and frequency hopping
20. Highly configurable packet handler
21. SMA antenna IP5306
This product is based on LoRa radio frequency, 868MHz (common in North America), 915MHz (common in Europe) and 433MHz (common in Asia Pacific)
Specification:
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4.2 ★★★★★
Based on 1050 reviews
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Product Reviews
★★★★★ 4
Powerful for the presenter
Format: Paperback
My boss's boss recently told me that our organization's presentations are boring data dumps that make her wish she was somewhere other than there listening but not really hearing or caring about this slide and dreading the next. She suggested that since I was going to be doing a lot of presentations in the future I should avoid that method and do better presentations. I immediately sought advice from our best presenter and learned that his method came from his gut feelings about what worked better. He has good instincts but to codify what he explained I decided to buy a book to learn why his approach works. The closest book with an effective explanation I could find is "beyond bullet points". It captured and expanded on the instinct my new mentor explained so that I could now understand how to use the slides to supplement the story and how to interweave the data so the whole presentation is more meaningful and memorable. I recommend this book to anyone looking for more of an answer on how to improve their presentations and eliminate the data dump in bullet points.
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Reviewed in the United States on May 17, 2014
★★★★★ 5
Good purchase and superb seller.
Format: Paperback
This is a very good book. I was very satisfied with the service I received, I got the book before the expected time. I was really supprised with the shape of the book...it was a used book but looked like brand new. I say this was superb purchase and the seller was top notch.
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Reviewed in the United States on November 4, 2013
★★★★★ 5
Great for Presentation Education
Format: Paperback
It has been some time since I have utilized Beyond Bullet Points, but this is one text book that kept with me. The point of the book is to help a presenter get their point across to the audience through Powerpoint presentations, and the book does this well. I am sure there are editions other than this one at this point, and I would definitely recommend looking into them in order to keep up to date. Starting with this book is a great idea due to its simplicity.
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Reviewed in the United States on July 24, 2014
★★★★★ 4
A
This is a great resource. I thought I created great presentations before. Reading this made me realize the mistakes I was making and have me a process for really improving my decks
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Reviewed in the United States on August 29, 2014
★★★★★ 5
great informational book
Format: Paperback
I had to buy this book for a graduate-level statistics course. I thought it was kinda silly at first, but it has been a great tool. It has beautiful graphics with fantastic step-by-step instructions and explanations on the whats and whys of tables and figures. I've made some great infographics with the help of this book. Highly recommend for anyone who ever has to present data in some form of fashion.
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Reviewed in the United States on September 21, 2020
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