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Lora RFM95 Shield-915MHZ-V1.1
$8.79
Availability:
In stock
SKU
ACS95915S
Brand
elecrow
Weight
15g
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【Lora RFM95 Shield】Leverages Hope RF's patented LoRa™ modulation technology to achieve ultra-long-range communication and high sensitivity.
【Flexible Communication Rate】Supports programmable bit rates up to 300 kbps to accommodate different data transmission needs.
【Excellent Sensitivity】High sensitivity of -148 dBm
【Low power consumption design】
【Automatic Frequency Control】Automatic RF sensing and CAD with ultra-fast AFC ensure accurate and reliable communication.
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Description
The Elecrow Lora Shield is a long range transceiver on a shield for Arduino form factor and is based on the Open source library. The Lora Shield allows the user to send data and reach extremely long ranges at low data rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.
Using Hope RF's patented LoRa™ modulation technique the Lora Shield can achieve a sensitivity of over -148dBm using a low-cost crystal and bill of materials. The high sensitivity combined with the integrated +20 dBm power amplifier yields industry leading link budget making it optimal for any application requiring range or robustness. They can easily go 2 km line of sight using simple wire antennas, or up to 20 km with directional antennas and settings tweakings. LoRa™ also provides significant advantages in both blocking and selectivity over conventional modulation techniques, solving the traditional design compromise between range, interference immunity and energy consumption.
The RFM95 Shield is an inexpensive and versatile radio module. You can use it to send text or binary data between two or hundreds of modules. It’s perfect for building inexpensive long-range wireless networks for home automation, citizen science, and more.
Features
- 168 dB maximum link budget
- +20 dBm - 100 mW constant RF output vs.
- +14 dBm high efficiency PA.
- Programmable bit rate up to 300 kbps.
- High sensitivity: down to -148 dBm
- Excellent blocking immunity
- Fully integrated synthesizer with a resolution of 61 Hz
- FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation
- Built-in bit synchronizer for clock recovery
- Preamble detection
- 127 dB Dynamic Range RSSI
- Automatic RF Sense and CAD with ultra-fast AFC
Specifications
- Frequency Range: 915 MHz
- Spreading Factor：6-12
- Bandwidth：7.8-500kHz
- Effective Bitrate:.018-37.5 kbps
- Est. Sensitivity: -111 to -148 dBm
Package list
- Lora RFM95 Shield- 915MHZ x1
Wiki & External links
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