APC340 is based on RFIC sx1278 and sx1276, which can work on Sub-1GHz frequency band with SEMTECH's new LoRa spread spectrum modulation technique, it is integrates an8 bit high speed and low power ST microcontroller, for best interference immunity, strong penetration, ultra long distance demands, such as wireless centralized meter reading, wireless sensor network, the remote wireless positioning system, the APC340 has four working modes, each mode could be switched between Normal, sleep, weak and power saving, the battery supply could last for years by these special modes.

Features:

Ultilizing of LoRa spread spectrum modulation

The transmission distance of 3000 meters /0.81Kbps

Frequencies are supported: 433MHz, 470MHz, 868MHz, 915MHz

Maximum 20dBm output power

Extremely low sensitivity of receiving -137dBm/300bps, -132dBm/810bps

Using the UART/TTL interface

Multi channel can be set. up, sending and. receiving 256Bytes data buffer

Working voltage 5V, customizable 3.3V

Continue to receive current 13mA/4.56Kbps, 15mA/18.23Kbps

The emission current 100mA

Sleep current 2.5uA, maximum 4uA

A built-in watchdog

Size 32.1*18.3*7.0 (mm)

Application:

Very long distance, high performance wireless data transmission, communication, control, measurement system

The moisture meter long-distance wireless meter reading

Application of various alternative cable RS232, RS485

A variety of industrial, electric power, petroleum, logistics, workshop equipment control and. data acquisition

Very long distance industrial control, data acquisition

Security and. alarm system, building, building automation

A variety of consumer electronic products, wireless intelligent transmitter, flowmeter, wireless sensor, intelligent instrument

City LED screen, lighting control, scenery complementary power supply system

The remote wireless positioning system