User's Manual

14-Apr-2017
Alinco XE9721 User Manual Rev. 5.0
Page 4 of 9
1.2 Features
• Radio Data rate up to 32kbps.
• Support Slow Hopping 22channels in 2.401GHz ~
2.4115GHz
• Ultra Low Power Consumption
• RoHS Compliant
• Support USART connection speed up to 115.2kbps
• Small Package Size (38.8 x 23.8 x 6.5)
• Integrated 26MHz TCXO
1.3 Application
• Radio Data Modem
• Wireless Controller
• Wireless Data Logger
• Wireless Security Sensor
1.4 Interface connecter pin assignment
Back Side View of XE9721
1
1 35
1 0
1. +B (Power In) 2. +3V REF
(Reference
Voltage Out)
3.GND (Power GND) 4. CS
(Carrier Sense)
5. PWR CONT (Unit Power Control) 6.PTT
(Transmit Switch)
7.GD_MONI (Not Used) 8. RTS (UART RTS)
9. CTS (UART CTS) 10. RXD (UART RXD)
11. TXD (UART TXD) 12. MODE (Not Used)
13. RESET (Unit Reset)