Description
The HopeRF CMT2210LH-ESR is a dedicated OOK (On-Off Keying) demodulator RF receiver chipset engineered for cost-effective, low-power wireless communication in sub-1GHz ISM bands. Its architecture is designed for simplicity, taking a direct RF input from the antenna and providing a demodulated data output, eliminating the need for complex software configuration or external MCU management of the RF front-end.
Operating across the 300-480MHz spectrum, the chipset’s center frequency is determined by the external crystal, allowing designers to target specific regional bands like 315MHz for security systems or 868MHz for European IoT deployments. With a high image rejection ratio of 30 dB and a receiver bandwidth of 330 kHz, it ensures stable operation in noisy RF environments. The chipset’s dual-voltage pin configuration allows seamless integration into both 5V and 3.3V embedded systems, making it a versatile core component for wireless sensor nodes, remote controls, and alarm systems.
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