Power supply: 3.7V 14500 Lipo battery Or 3.7~12Vdc power Operating Frequency: 915 MHz Size: 40mm x 60mm ATmega328P 8MHz with 3.3V logic/power 3.3V regulator with 500mA peak current output
Power supply: 3.7V 14500 Lipo battery Or 3.7~12Vdc power Operating Frequency: 915 MHz Size: 40mm x 60mm ATmega328P 8MHz with 3.3V logic/power 3.3V regulator with 500mA peak current output
Power supply: 3.7V 14500 Lipo battery Or 3.7~12Vdc power Operating Frequency: 915 MHz Size: 40mm x 60mm ATmega328P 8MHz with 3.3V logic/power 3.3V regulator with 500mA peak current output
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. Bullet-proof front end: IIP3 = -12.5 dBm.
Standard:FCC/CE-RED/IC/TELEC/KCC/SRRC/NCC (ESP32 chip) Protocol:802.11 b/g/n Frequency range:2.4GHz~2.5GHz(2400M~2483.5M) Transmit Power:22dBm Communication distance:300m The wireless communication module supports cloud server development and SDK for user firmware development.
Compatible with 3.3v or 5v I/O Arduino Board. Frequency Band: 915MHz/868 MHZ/433 MHZ (Pre-configure in a factory) Low power consumption Compatible with Arduino Leonardo, Uno, Mega, DUE External Antenna via I-Pex connector
Voltage supply: 3-5V (Battery) / 5V(USB Type C) Voltage output: EN 3V3 / 5V Power output Up to +20.8dBm at 3.3V Frequency: 865 Protocol: LoRaWAN Sensitivity: -116.5dBm ~ -136dBm
Model: RFM69HCW Frequency:868MHz Power Output Capability:+20 dBm 100 mW Sensitivity:-120 dBm at 1.2 kbps Selectivity:16-tap FIR Channel Filter FSK Bit rates:1.2kbps to 300kbps Voltage range:1.8V to 3.6V Module Size:16X16mm
Using RFM95 module based on SX1276 LoRa® ~28mA(Avg) @+20dBm continuous transmit ~8.4mA(Avg)@standby mode ~20mA(Avg) @receive mode, BW-500kHz Simple wire antenna or MHF Connector for external high gain antenna +20dBm – 100 mW Power Output Capability
Using RFM95 module based on SX1276 LoRa® Communication Interface: UART Simple wire antenna or MHF Connector for external high gain antenna +20dBm – 100 mW Power Output Capability
Communication distance: 15KM Sensitivity: down to -148dBm Programmable bit rates: up to 300kbps RSSI dynamic range: 127dB Wireless frequency: 433MHz Working voltage: 1.8-3.7v Working temperature: -40-+80 ℃
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
Power Supply: Input USB 5V/1A Charging current :500mA Battery Input: 3.7-4.2V It also has a digital RSSI function, RF wake-up function, 4MB flash memory, Low voltage detection, and temperature sensor, Fast wake-up and frequency hopping LED signal indicator, and battery with data backup.
