Onmicro HS6621 and Semtech LLCC68 Combo BLE and LoRa Module RC21L68A

  • The RC21L68A is a high-performance, low-power, ultra-sensitive Bluetooth 5 (BLE)+LoRa wireless communication module designed by RF Crazy Technology. It integrates Onmicro HS6621CM 2.4 GHz Bluetooth SoC, 64 MHz ARM CortexTM-M4F, and Semtech LLCC68 RF transceiver.The BLE terminal of RC21L68A is mainly used for short-range two-way communication with mobile devices, while the LoRa terminal is for long-distance two-way communication with the LoRa terminal of another RC21L68A. The BLE terminal supports Bluetooth 5.2 protocol or 2.4G private protocol, and the receiving power consumption is ≤ 5.3 mA @ 0 dBm, sleep power consumption ≤ 2.5 uA; the LoRa terminal supports traditional (G) FSK mode and LoRa modulation function, up to +22 dBm transmission power, which can guarantee long-distance spread spectrum communication, and only 4.2 mA of active reception power consumption. It is designed to achieve long battery life.The RC21L68A provides a complete BLE + LoRa RF solution. Its package adopts half-stamp hole design and leads to two IPEX connectors, Bluetooth and LoRa.The module is highly suitable for application scenarios where long-distance transmission is carried out through mobile devices, including remote ultra-low-power wide-area IoT scenarios such as smart agriculture, smart cities, sensor networks, and wireless communications.
  • Chipset: Onmicro HS6621 + Semtech LLCC68
  • Frequency :
    • BLE: 2405 ~ 2480 MHz
    • LoRa: 410 ~ 525 MHz
  • Supply voltage range: 1.8 V ~ 3.9 V
  • Modulation: LoRa®, (G)FSK, (G)MSK
  • Size: 20 x 16 x 2.1 mm
  • Antenna: IPEX Connectors
  • Transmit Power:
    • BLE: -20 dBm ~ +7 dBm
    • LoRa: +15 dBm ~ +22 dBm
  • Receiving Sensitivity:
    • BLE: -96 dBm
    • LoRa: -148 dBm
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