User manual
Technical data
9
6. Technical data
6.1. Technical data
Radio transmission
Operation frequency range 2402 - 2480 MHz
Channel spacing 2 MHz
Output power 0 dBm
Modulation GFSK, MSK
Connections
RS232 9-pin D-sub connector, male or female
Antenna Chip-Antenna
Power supply voltage range 3 to 16 Volt
Internal power source Via the serial line
External power source On board
Bluetooth
Version 4, Bluetooth low energy
Protocols Bluetooth low energy protocol stack
Bluetooth profile Generic Access, Service Discovery
Role Peripheral, Central
Dimensions
Circuit board 17x21x1.55mm
Housing ca. 25x41x16mm
Table6.1.BLE232 technical data
6.2. Assignment of the serial interface
Abbreviation Pin Nr. Direction male Direction female
TxD 3 Output Input
RxD 2 Input Output
RTS 7 Power Power
CTS 8 Power Power
DSR 6 Power Power
GND 5 - -
DCD 1 Power Power
DTR 4 Power Power
RI 9 Power Power
Table6.2.BLE232 assignment of the serial interface