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Reference: DWM14042301
Spring antenna is specialized for wireless data transmission. This antenna with good performance of V.S.W.R, small size design, easily installation, stable performance and good anti-shock and anti-aged compatible for Hoperf Modules.
Reference: DWM14032902
SMA rf antenna connector is pallets copper gold andexternal thread needle sma pallets plate rf connector.
Reference: DWM14032102
Whip antenna for sub-1 GHz, 433MHz,868MHz and 915MHz with SMA male connectors.it's used with wireless module recommanded by Hoperf .
Reference: DWM14042401
SMA RG178 extension female cable for GPS, GSM antenna,RF module, SMA cable,IPEX to SMA jumper cable.
Reference: DWM18032302
USD3.0/pcs MOQ100pcs LoRa Antenna designed for Lora application which required for outdoor waterproof highgain and work at ISM free band like 433MHz /868MHz /915MHz SMA Male Whip antenna.
Reference: DWM16121503
DWM-TLB-3.0QB SUB-1GHz / 2.4GHz Whip antenna with a Collapsible SMA male connectors.Which are available for 433MHz,868MHz.915MHz and 2.4GHz..
Reference: DWM15101001
Brand: Semtech
RFM50 module series’ design is based on the high performance RF50 SoC chip, It include a CIP-51 core‘ MCU and 100mW transceiver. It operate at 433/470/868/915 MHz ISM band, comply with FCC, ETSI regulation.
Reference: DWM15010504
Brand: Semtech
The RFM69CW /RFM69HCW are built in by SX1231and SX1231H which is ISM Free band transceiver module capable of operation over a wide frequency range, including the 433MHz,868MHz and 915MHz.
SR-FRS-1W350 350MHz-390MHz 1W UHF Analog walkie talkie module easy to use can be embed into various handheld devices, to improve the comprehensive performance of end products.
1. Product Outline
The SR-FRS-1W350 is a low cost but high performance integrated walkit 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 1W output . In open area, it can come to performance of 5Km 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 100 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 350M~390MHZ;
Frequency step:5K/6.25K/12.5K/25K;
RF Output Power: 1W
voice encryption (scrambling): 8 type.
Voice Compression- Expansion ;
SMS Receive /Transformer,The space 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 pin assignment
J1 pin name |
Pin number |
Function description |
SQ |
1 |
Squelch control 0: active |
VOX_DET |
2 |
1) with VOX mode,it is the VOX state indication; 0: Talk finished; 1: Talking; 2) 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 |
NC. |
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;
|
Reference: DWM14071901
DWM-SA818 V band,134 -- 174MHz, U band, 400 -- 480MHz,3.5-5Km communication distance high-integrated Embedded walkie talkie module.
Reference: DWM14071902
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Reference: DWM18012501
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Reference: DWM18012601
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Reference: DWM18012602
FRS-DEMO-B UHF/ VHF Walkie Talkie transceiver and Data transfer demo board which can be used for these module evaluation SR-FRS-1WU,SR-FRS-1WV,SR-FRS-2WU.
Reference: DWM15121801
2sets Sa828 All-in-oneV band,134 -- 174MHz, U band, 400 -- 480MHz,3.5-5Km communication distance Walkie Talkie Voice Module for Pocket /handheld devices tytera radios /trunking radio module. .
Reference: ODL22090805
SR-FRS-2WUS 400MHz-470MHz is 2W a low cost but high performance integrated walkit talkie module. With built-in high performance micro controller, narrow band rf transceiver and standard Uart interface.
Reference: ODL22090804
SR-FRS-0W5 (VHF:136M-174MHZ) is a low cost but high performance integrated walkit 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.
Reference: ODL22090803
SR-FRS-0W5 (UHF:400M-480MHZ) is a low cost but high performance integrated walkit 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.
Reference: ODL22090806
SR-FRS-2WVS 136M-174MHz is 2W a low cost but high performance integrated walkit talkie module. With built-in high performance micro controller, narrow band rf transceiver and standard Uart interface.
Reference: ODL22092201
SR-FRS-4W (VHF:136MHz-174MHz and UHF: 400MHz-470MHz) is a low cost but high-performance integrated walkie talkie module max power output is 4W. With built-in high performance micro controller, narrow band Rf transceiver.
Reference: DWM18012601
FRS-DEMO-A demo board is a full function Walkie Talkie Transceiver system which can be used for these module evaluation SR-FRS-1WU,SR-FRS-1WV,SR-FRS-2WU.
Reference: DWM18012502
SR-FRS-1WU 400MHz-480MHz 1W UHF Analog walkie talkie module easy to use can be embed into various handheld devices, to improve the comprehensive performance of end products.
Reference: DWM14071902
DWM-SA828 V band,134 -- 174MHz, U band, 400 -- 480MHz,3.5-5Km communication distance high-integrated Embedded walkie talkie module for Pocket /handheld device tytera radios or trunking radio module.
Reference: DWM14071901
DWM-SA818 V band,134 -- 174MHz, U band, 400 -- 480MHz,3.5-5Km communication distance high-integrated Embedded walkie talkie module.
Reference: DWM18012501
SR-FRS-1WV 136MHz-174MHz 1W VHF Analog walkie talkie module easy to use can be embed into various handheld devices, to improve the comprehensive performance of end products.
Reference: ODL23123001
SR-DEMO-A demo board is a full function Walkie Talkie Transceiver system which can be used for News version Enhance module SR105V,SR105U,SR110V,SR110U and SR350P.
SR-FRS-1W350 350MHz-390MHz 1W UHF Analog walkie talkie module easy to use can be embed into various handheld devices, to improve the comprehensive performance of end products.