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: DWM17111002
LoRa Antenna-433MHz High Gain internal aerial piamater FPC Antenna with IPEX connctor.
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.
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.
Product Outline The SR_FRS_1W (UHF) 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;
Product performance
FM demodulation technique Based on digital signal processing technology；
Applications：
|
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 |
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;
|
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
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: 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: 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: DWM18121701
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.
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: DWM22091204
SR-FRS-0W5U (UHF:400M-480MHZ) 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.
Reference: DWM23070501
SR105V (VHF:136M-174MHZ) which functions have been enhanced and pinouts/commands are compatible with FRS-0W5V is an ultra-compact and high-cost performance wireless voice intercom and long-distance data transmission module.
Reference: DWM23051501
TMK01-M/02-M/04-M is a multi-party call intercom module. it LoRa technology, has high receiving sensitivity, is energy-saving and environmentally friendly, and can be specially used for secondary system integration and secondary development to support all intercom functions.
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: 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: DWM23050301
SR105U (UHF:400M-480MHZ) which functions have been enhanced and pinouts/commands are compatible with FRS-0W5U is an ultra-compact and high-cost performance wireless voice intercom and long-distance data transmission module.
Reference: DWM22101301
D5W 76-108MHz 500mW FM radio Transmitter-2000m long distance FM transmitter with digital display.
Reference: DWM23050402
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.
Reference: DWM23051801
The DWM-E6-M is working at 640MHz~670MHz a full duplex multi-channel digital walkie talkie.which has high receiver sensitivity, low power consumption, energy saving and environmental protection, and is suitable for a variety of full duplex use scenarios.
Reference: DWM22091202
SR-FRS-2WUS 400MHz-470MHz is 2W 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.
Reference: DWM22101302
433MHz 8W amplifier Board is high Efficiency for data transmission, flight control, extended range RF power amplification.
Reference: DWM23082801
SR120U-UHF is a enhance version of the SR-FRS-2WU is wireless voice and data transmission walkie talkie module which built-in with a high performance radio frequency transceiver chip, microcontroller and radio frequency power amplifier.
Reference: DWM23051401
The TMK-M series includes TMK01-M, TMK02-M, TMK04-M, and TMK05-M, a total of 4 models of 8-channel full-duplex digital Walkie Talkie wireless communication module development boards.
Reference: DWM22083001
SI4732-Radio-ESP32-2.8 inch TFT Touchscreen-Arduino Si4732 chip all Band Radio DSP Receiver FM LW SSB 2.8 inch Big Touch Screen PAM8406 HiFi Headphone Amp.
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.
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.
