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Green rectangular circuit board with four black relay blocks, SMA antenna connector, and USB micro port

SB Components

SB Components GatePi 4 Channel LoRa Relay Board RP2040 915MHz 2 in 1 accessory

SKU CH-6FYZ-AC17X

Four-channel LoRa relay board with RP2040 MCU enables remote switching up to 5 km at 915 MHz

  • RP2040 MCU drives four relays for local switching
  • LoRa module reaches 5 km at 915 MHz
  • CH340 USB-UART plus 74HC125V level translator onboard
  • SMA antenna connector covers 433 868 915 MHz bands
  • Wireless parameter configuration secures remote appliance control

4-Channel LoRa Relay Board

The GatePi board combines four relays with a LoRa radio module driven by an RP2040 microcontroller. It suits makers and integrators who need remote switching of external appliances over long-range wireless links.

Low-power transmission up to 5 km

The onboard E22 module covers the 433, 868 and 915 MHz bands and supports secured wireless parameter configuration. Data travels through the serial port with a stated range of up to five kilometres under suitable conditions.

USB-UART and level translation included

A CH340 converter and a 74HC125V translator simplify connection to a host computer for programming or monitoring. The SMA antenna connector must be matched to the chosen frequency band, and relay loads should stay within the board's unspecified switching limits.

How it compares

Measured against everything we stock in 2-in-1 Device Accessories, at today’s prices. Recalculated every night.

Price $113.99
Pricier than about 77% of the 7,473 comparable items (median $56.99).

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Specifications

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