Shenzhen KYL Communication Equipment Co., Ltd
Tel: +86-755-82943662
www.rf-data.com
● waiting current
:
≤ 1 6 0 m A
● transmitting current
:
≤ 6 A ( transmit power 25W )
E
、
Dimension
:
128*108*28mm
III
. Pin Definition
Connector
Pin No.
Pin name
Description
Remarks
Power
connection
1
VCC
DC:12V (±10%)
Please use power D.C.
12V, more than 8A
2
GND
Ground of power supply
Signal
connection
1
NC
2
RXD(A)
Rxd of RS-232
Rxd of TTL
RS-485 A
RS-232,RS-485,TTL,
only one valid
3
TXD(B)
TxD of RS-232
TxD of TTL
RS-485 B
RS-232,RS-485,TTL,
only one valid
4
NC
5
GND
Signal ground
6
PTT
Audio transmitting
enable
Low level is for
transmitting
7
MIC
Audio signal input
Microphone input,
modulation sensitivity
10mV
8
SP
Audio signal output
Audio amplifier output
8
ohm
0.5W
9
SQ
Receiving signal
checking
Receiving carrier
signal, high level
2
1
1
5