DreamLNK DL-297LDA-S

The DL-297LD series modules are low-power, high-bandwidth wireless digital communication modules operating in the globally compatible 2.400-2.483GHz ISM band. These modules feature low cost, compact size, stable operation, and excellent product consistency, with a maximum data rate of up to 2Mbps. They are widely applicable in scenarios requiring wireless connectivity in daily life, as well as in industrial control, access control, attendance management, surveillance and security industries. The DL-297LD series wireless communication modules are available in multiple variants differentiated by MCU integration, power amplifier integration, data interface type, and package type, with cross-compatibility between all variants within the same series. All variants feature advanced design and excellent technical specifications, comply with FCC regulatory parameters, and can meet customers' certification requirements.

• Efficient 4-pin SPI interface
• Supports 1Mbps and 2Mbps wireless data rates with high throughput
• FSK/GFSK modulation
• Programmable output power: 9–35dBm
• Receiver sensitivity: -88dBm at 2Mbps; reliable transmission range up to 100m (open field)
• Programmable carrier frequency: 2400–2483.5MHz, 83 selectable channels
• Flexible multi-channel configuration with fast frequency switching for frequency-hopping systems
• Ultra-low power consumption
• RX current < 17.5mA
• TX current < 14mA
• Sleep current < 3μA
• Data buffering and burst data transmission with auto-acknowledgment and auto-retransmit
• Supports 1-to-6 data channel connections
• Robust digital features enabling high-performance RF systems with low-cost MCUs

• Wireless toys
• Wireless game controllers
• Wireless audio/video transmission
• Wireless headphones
• Children's locators and trackers