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-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.
The SR_FRS_2WUS 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 2W output. In open area, it can come to performance of 9Km 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 70 bytes can be sent at one time; it is compliance with the standard UART transfer protocol.
FM demodulation technique Based on digital signal processing technology.
Frequency Range: UHF 400MHz-470MHz.
Frequency step：5K/6.25K/12.5K/25K.
RF Output Power： 2W/1W/0.5W
Receive sensitivity： -122dbm
voice encryption (scrambling): 8 types.
Voice Compression- Expansion.
SMS Receive /Transformer The space Baut: 1200.
CTCSS（38 group）+ CDCSS（83 group）.
Automatic elimination tail.
Volume adjustable（1-8）.
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：17*28.5*3.0mm
Communication distance more than 9 KM in open area.
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
|
Pin number |
pin name |
IO |
Function description |
|
1 |
SDA |
Program only, user unused |
|
|
2 |
CLK |
Program only, user unused |
|
|
3 |
I/O |
Program only, user unused. |
|
|
4 |
AF_OUT |
OUT |
Audio output |
|
5 |
MIC |
IN |
Michone input |
|
6 |
HML |
IN |
Transmit power selection: GND: 0.5w NC: 2W 1.5V: 1W (Un useful) |
|
7 |
ANT |
IN/OUT |
Antenna |
|
8 |
GND |
GND |
GND |
|
9 |
MIC_IN |
IN |
Microphone input. |
|
10 |
B+ |
OUT |
Module power supply |
|
11 |
VOX |
OUT |
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 |
|
12 |
RXD |
IN |
UART_RXD |
|
13 |
PTT |
IN |
PTT control 1：Receive. 0：Transmit |
|
14 |
SQ |
OUT |
Squelch control 0: active |
|
15 |
TXD |
OUT |
UART_TXD |
|
16 |
PD |
IN/OUT |
Module power control: 1: Power on 0: Power off |
|
17 |
VCC |
+3V output |
|
|
18 |
GND |
GND |
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: 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: 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: DWM22091201
SR-FRS-2WVS 136M-174MHz 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: DWM22101301
D5W 76-108MHz 500mW FM radio Transmitter-2000m long distance FM transmitter with digital display.
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: DWM24062801
SA628F30 1W full duplex wireless voice module with mesh network. Easy setup, high-quality voice, LoRa technology, OTA upgrades, and eco-friendly production.
Reference: DWM23070502
SR110V-VHF is a enhance version of the SR-FRS-1WV 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: DWM22101302
433MHz 8W amplifier Board is high Efficiency for data transmission, flight control, extended range RF power amplification.
Reference: DWM23052401
SR-T500S module is specially used for children's walkie-talkies and other low-cost walkie-talkie applications with High reception sensitivity, easily achieve 400m-500m walkie-talkie distance features.
Reference: DWM22091601
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: 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: 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: 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: DWM14071901
DWM-SA818 V band,134 -- 174MHz, U band, 400 -- 480MHz,3.5-5Km communication distance high-integrated Embedded walkie talkie module.
Reference: DWM23051301
SA868 is a cost-effective integrated professional walkie-talkie module which include UHF band 400~480 MHz, 320-400MHz and VHF band 134~174 MHz 3 frequency bands versions built-in high-speed microcontroller, high-performance RF transceiver chip and RF power amplifier.
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: 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: 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: 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.
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.
