Basic Info.
Communication Distance
<8km
Product Description
SR_FRS_1WU
Walkie talkie module/Data transfer module
400M-480M / 1W
*************************************************************************************************************
1. Product Outline
The SR_FRS_1WU is a low cost but high performance integrated walkit talkie module.
It is not only used for voice intercom , but also used for data/SMS transfer.
up to 70 byte can be sent at one time; it is compliance with the standard UART transfer protocol;
2. Product performance
FM demodulation technique Based on digital signal processing technology;
Frequency Range:UHF 400M~480MHZ;
Frequency step:5K/6.25K/12.5K/25K;
RF Output Power: 1W/0.5W
voice encryption (scrambling): 8 type.
Voice Compression- Expansion ;
SMS Receive /Transformer,The wireless Baut : 1200;
CTCSS(38 group)+ CDCSS(83 group) ;
Automatic elimination tail ;
Volume adjustable(1-9);
Vox level adjustable(0-8);
SQ level adjustable(0-9);
MIC sensitivity level adjustable(1-8)
The ultra low power dissipation in Sleep Mode(0.1uA);
Power supply :DC 3.3~5.0V
Ultra small size:18 * 35 * 3.2MM;
Communication distance:more than 5 KM in open area .
Applications:
portable intercom and paging systems;
wireless data transmission;
mobile phones and other embedded in radio functions product .
Portable walkie-talkie,
Outdoor sports equipment,
Building security,
Audio monitor system
3. Module mechanical size
bottom view
4. Module pin assignment
J1 pin name | Pin number | Function description |
SQ | 1 | Squelch control 0: active |
VOX_DET | 2 | with VOX mode,it is the VOX state indication; 0: Talk finished; 1: Talking; without VOX,it is the transmitter state indication; 0: receive state 1: transmitter state |
AF_OUT | 3 | Audio output |
MIC1(NC) | 4 | NC |
PTT | 5 | PTT control 1:Receive; 0:Transmit |
PD | 6 | Sleep control, 0: into sleep state 1: Running |
H/L | 7 | RF transmit power selection; 0: 0.5W; NC: 1W; Note: if you want a 1w power ,just leave this pin NC, it can't be pull high. |
BAT | 8 | Power supply: DC 3.3V - 5V |
GND | 9 | GND |
GND | 10 | GND |
NC | 11 | NC |
ANT | 12 | Rf Antenna input; |
NC | 13 | NC |
NC | 14 | NC |
NC | 15 | NC |
RXD | 16 | UART - Rxd |
TXD | 17 | UART - Txd |
MIC_IN | 18 | Microphone input; |
Comment:
1) please contact us for get the complete spec.and <serial communication protocol>. Also, we can provide the demo code ;
2) We can provide the technical support for your development..
3) there are 3 type demo board for the module test and evaluation, please find it from the product list or contact us to get the spec.
Address:
No. 623, Block B1, Huayuan Technology Innovation Park, #168 Baoyuan Rd, Baoan District, Shenzhen, Guangdong, China
Business Type:
Manufacturer/Factory
Business Range:
Consumer Electronics, Electrical & Electronics, Industrial Equipment & Components, Toys
Company Introduction:
We are design house. We focus on walkie talkie module/two way radio module design, produce, and sale;
1. Analog module: UHF (0.5W, 1W, 2W, 4W)
VHF (0.5W, 1W, 4W)
2. DMR digital module:
UHF(2W, 4W, 5W_full duplex)
3. Demo board of module;
4. Children Toy walkie talkie module;
5. We provide full technical support for both software and hardware;