SR_T300 module is perfect for children toy walkie talkie and other short distance intercom application case. Only an external antenna, battery, speaker, microphone needed for combine a completed toy walkie talkie.
Performance:
Half_duplex FM transceiver；
Power Supply：3.3-7.0V;
2 Channel selectable：
CH1:462.125MHZ
CH2:462.175MHZ
size：26X 26 MM;
communication distance： 300m @ UHF;
Note: other frequency can be customized ordered:
26.175M~27.5MHZ;
40.66M～40.7MHZ
49.820M～49.9MHZ
Automatic Mute;
Pls send us a mail if There are any requirement for different Freqency range. Here is the mail address sales@dwmzone.com.
Pin Description
| Pin number |
Name |
Description |
| 1 |
BAT+ |
DC power supply, 3.3V-7V |
| 2 |
GND |
Ground |
| 3 |
SP- |
Speaker - |
| 4 |
SP+ |
Speaker + |
| 5 |
MIC+ |
Microphone + |
| 6 |
GND |
Ground |
| 7 |
PROG |
NC. ( No connected.) |
| 8 |
CALL |
CALL TONE Prompt tone:1: Call; 0: Stop calling |
| 9 |
PTT |
Push to Talk 1: Transmitter; 0: Receiver |
| 10 |
CH |
Channel select:
NC:462.125M; GND:462.175M
|
| 11 |
+3V |
Module +3V output |
| 12 |
TEST |
NC, |
| 13 |
GND |
Ground |
| 14 |
ANT |
Antenna |
| 15 |
GND |
Ground |
|
|
|
Package Include:
1x SR_T300 module
1x Antenna
1x Mic
1x Speaker
