- New

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.
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.
TMK01-M/02-M/04-M is a multi-party call intercom module. The module is mainly aimed at commercial customers. The module adopts broadband spread spectrum 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.
The module has three working modes: intercom mode, relay mode, and intercom + relay mode. When set to intercom mode, it is only used as a full duplex intercom module; when set to relay mode, it is only used as a full duplex intercom relay. At this time, the number of channels will be halved, that is, if it is set to 8 channels, the actual work will be 4 channels; when set to intercom + relay mode, relay and intercom functions can be realized at the same time, and the number of channels will be halved at this time.
The module supports data transmission function, can send data commands in normal state and intercom state, and realize broadcast or private transmission.
The module provides two parameter control interfaces, one user parameter interface, and one developer parameter interface. The user interface is a USB interface, and the developer interface is a UART serial communication interface. Ordinary users can use the host software provided by the company to modify, read and upgrade software parameters. Developers can achieve all control functions through serial ports and obtain system working status.
The module control functions include modifying the working frequency, changing the priority, adjusting the working mode, controlling the transmitter (PPT), controlling the standby and all intercom-related operations.
The module only needs to externally connect MIC, audio amplifier and antenna to form a complete full duplex multi-party call intercom.
Full duplex, supports 8-party call at the same time, unlimited receiving
8 parties are dynamically changing. When one party exits, others can enter.
Reserve a call position for designated personnel to ensure they can always enter
Two modes: push-to-talk intercom and VOX intercom
Support data transmission
Group call: you can specify to call a certain person or group call
Working frequency:150~960MHz
Operating voltage:2.8V~4.8V
Output: External 0.8W,8Ω speaker
Communication distance:1~5km in open and unshielded environment
UART serial communication interface
Can work while charging
High-end full duplex intercom development
Command and control system
Property management
Security for special scenarios
PBX
Conference management system development
Num | TMK01-M PIN Num | TMK02-M PIN Num | TMK04-M PIN Num | Name | I/O | Description | Note |
1 | 2 | 2 | 2 | VDDIN | I | Power Supply | 2.8V-4.2V |
2 | 7 | 7 | 7 | MIC_P | I | Differential microphone input + | 0~50mV, single-ended signal needs to MIC+ be connected |
3 | 6 | 6 | 6 | MIC_N | I | Differential microphone input - | 0~50mV, single-ended input MIC- needs to be grounded. |
4 | 4 | 4 | 4 | SPK_P | O | Differential speaker output positive | 8ohm/0.8W, |
5 | 5 | 5 | 5 | SPK_N | O | Differential speaker output negative | 8ohm/0.8W, |
6 | 21 | 21 | 21 | VBUS | I | USB interface bus voltage | 4.5V~5.5V |
7 | 23 | 23 | 23 | USB_DP | I/O | USB_DP I/O Differential USB data line positive | 0~3.3V |
8 | 22 | 22 | 22 | USB_DN | I/O | USB_DN I/O Differential USB data line negative | 0~3.3V |
9 | 1,3,8,12,13,16,18,20,24 | 1,3,8,12,13,16,17,18,20,24 | 1,3,8,12,13,15,16,17,18,19,20,24 | GND | P | GND | Power ground or signal ground |
10 | 9 | 9 | 9 | UART_TX | O | UART transmit output data | 460800 baud rate, one start bit, 8 data bits, one stop bit |
11 | 10 | 10 | 10 | UART_RX | I | UART input | 460800 baud rate, one start bit, 8 data bits, one stop bit |
12 | 11 | 11 | 11 | COM | I/O | Additional control input | Pull high |
13 | 15 | 15 | None | RX_EN | O | Receive indicator | High level is valid |
14 | 14 | 14 | None | TX_EN | O | Transmit indicator | High level is valid |
15 | None | 19 | 14 | RF | O | RF input/output | TMK04 is 0~21dBm,TMK02 is 20~28dBm, Serial port control, 1dBm precision |
16 | 19 | None | None | TX | O | RF output | 0~21dBm, serial port control,1dBm precision |
17 | 17 | None | None | RX | I | RF input | Less than 10dBm |
TMK01-M/02-M/04-M full duplex digital Walkie Talkie wireless module User Manual
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: 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: 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: 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: 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: 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: 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: 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: DWM221002
High power 1W, long distance transmission, frequency range 902-928mhz, Microhard P900 core module manufacturer's nominal distance is 60 kilometers.
Reference: DWM22101302
433MHz 8W amplifier Board is high Efficiency for data transmission, flight control, extended range RF power amplification.
Reference: 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.
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: 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: 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: DWM22100201
Microhard P900 - Miniature Mesh 1W 900 MHz Wireless Modem use for Utility Meters, Remote Telemetry, Electric, Oil, and Gas Sensors/Detection.
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: DWM14071901
DWM-SA818 V band,134 -- 174MHz, U band, 400 -- 480MHz,3.5-5Km communication distance high-integrated Embedded walkie talkie module.
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: 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.
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.