Antenna Gain Max. 1 to 2 dBi
Power Supply +4 to +12 V DC
Current Consumption Max. 90 mA
Operation Temperature -20°C to +75°C
Dimensions LM048: 46.3 mm (W) x 34 mm (D) x 16 mm (H)
LM058: 35 mm (W) x 65 mm (D) x 16 mm (H)
5 RS232 Interface
5.1 Pin-out
5.2 Signals
Pin DTE
Signal
DTE to DCE
Direction
DCE to DTE
Direction
Description
1 CD Input Output Not connected
2 RxD Input Output Received data
3 TxD Output Input Transmitted data
4 DTR Output Input Data Terminal Ready
5 GND N/A N/A Signal ground
6 DSR Input Output Data Set Ready
7 RTS Output Input Request to Send
8 CTS Input Output Clear to Send
9 Vcc Input Input Power supply
3