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SR-FRS-0W5V VHF (136M-174MHz) Analog Walkie Talkie Transceiver /Data transfer Module

DWM22091203

SR-FRS-0W5 (VHF:136M-174MHZ) is a low cost but high-performance integrated walkie talkie module. With built-in high performance micro controller, narrow band rf transceiver and standard Uart interface, it can be easily used and succeed in all the walkie talkie function with good quality voice and long-distance transmission.

$7.00
Quantity

Description

The SR-FRS-0W5 (VHF:136M-174MHZ) is a low cost but high-performance integrated walkie talkie module. With built-in high performance micro controller, narrow band rf transceiver and standard Uart interface, it can be easily used and succeed in all the walkie talkie function with good quality voice and long-distance transmission. Users only need to connect external audio amplifiers, microphone or speaker with this module, then it can work as a small walkie talkie with 0.5W output. In open area, it can come to performance of 3Km communication. Simplified interface and ultra-small size make this module into a wide range of applications, also can conveniently embed into various handheld devices, to improve the comprehensive performance of end products.

Besides the excellent voice intercom, the more important feature is this module has the data/SMS transfer ability; up to 60 bytes can be sent at one time; it is compliance with the standard UART transfer protocol.

The key feature is its ultra-small size: 15*25*3.0MM, it is easy to be embed into other

 system such as mobile phone, MP3, MP4, etc.

Features

FM demodulation technique Based on digital signal processing technology.

Frequency Range:VHF:136M-174MHZ

Frequency step:5K/6.25K/12.5K/25K.

Receive sensitivity: -122dbm

RF Output Power: 0.5W

voice encryption (scrambling): 8 types.

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:15*25*3.0 MM.

Communication distance more than 3 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

Module mechanical size

 

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Module pin assignment

Pin name

Pin number

Function description

GND

1

GND

PD

2

Sleep control

0 into sleep state

1 Running

PTT

3

PTT control

1Receive.

0Transmit

AF_OUT

4

Audio output

SQ

5

Squelch control

0: active

1: inactive

GND

6

GND

GND

7

GND

MIC_IN

8

Microphone input

TXD

9

UART_TXD

RXD

10

UART_RXD

GND

11

GND

ANT

12

Rf Antenna input.

GND

13

GND

BAT

14

Power supply: DC 3.3V - 5V

Typical application Block diagram   

Typical application Block diagram

Product Details
DWM22091203
100 Items
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SR-FRS-0W5V VHF (136M-174MHz) Analog Walkie Talkie Transceiver /Data transfer Module

SR-FRS-0W5 (VHF:136M-174MHZ) is a low cost but high-performance integrated walkie talkie module. With built-in high performance micro controller, narrow band rf transceiver and standard Uart interface, it can be easily used and succeed in all the walkie talkie function with good quality voice and long-distance transmission.

Write your review

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