Miniature RF (MiRF) 2.4GHz transceiver modules with built in antenna designed around the Nordic Semiconductor nRF2401A with high sensitivity and good range. These units are a SparkFun exclusive; small in stature, big on performance, all wrapped up in a user friendly package. Units come with an empty 0.1" spaced footprint ready for a straight header, right angle header (recommended), or your own wires/umbilical cable.
The following pins are brought out to the header:
- 3.3V VCC / GND
- CE : Chip Enable
- CS : Chip Select
- DR1 : Data Ready
- CLK1 : Clock
- DATA : Data
Specifications:
- Frequency: 2.4~2.524 GHz
- Modulation type: GFSK
- Operating Voltage: 3V
- Output Power: +0dBm
- Data Rate: 1Mbps; 250Kbps
- Small footprint size: 0.7x1.3" (18x33mm)
- Operating Temperature: -40 ~ +85 C
- Long range:
- 50ft. indoors
- 125ft. line-of-sight
- Built-in antenna
- Very low cost
- Applications: Telemetry, Wireless Toys, Remote Control, Wireless Speaker, Wireless Earphone or Walkie-Talkie, Wireless Mouse and Keyboard, Utility Meters Data Downloading, etc.
Documents:
Software: Example PIC Code for 4-byte payload and 29-byte payload
Supported Antennae: Hah! It's built in!
Check out these handy calculators that help with antenna design.
Sold by single units. We recommend ordering two for a complete link.