User's Manual

Elpro Technologies E2-450 Radio Module Instruction Manual
12 www.cooperbussmann.com/wirelessresources Rev Version
1.0
CHAPTER 5 - Locale
The S2900 radio is designed to operate in frequency bands 902 MHz to 928 MHz. These bands are fully supported for
North America.
CHAPTER 6 - Interface Pin Description
Main Host Interface Pin Description
The physical interface consists of the following electrical signals:
• BYTE_READY Indication from radio that data has been received
• SELECT Controller selects radio for data transfer
• MISO Synchronous serial data from radio to controller
• MOSI Synchronous serial data from controller to radio
• SCK Serial clock for data transfer between controller and radio
• CMD_ENA Enable Commands after startup is complete.
• CMD_ACK Indicate Radio is ready to receive commands (Rx disabled).