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.
SA628F30 1W full duplex wireless voice module with mesh network. Easy setup, high-quality voice, LoRa technology, OTA upgrades, and eco-friendly production.
SA628F30 is a 1W output power full duplex wireless voice module with mesh network. SA628F30 is very easy to use. It start to work by just connecting antenna, power supply and speaker, microphone, Audio amplifier, RF channel switch, volume adjustment are all embedded on board. SA628F30 has USB interface, and specified PC software. It can be configured and SMS Tx/Rx easily by the PC software.
The SA628F30 module has built-in high speed micro -controllers, high quality voice Codec, high-performance RF chips and amplifiers. This wireless module adopts the newest generation LoRa chip, which has the characteristics of low power consumption, long distance, and flexible frequency adjustment. SA628F30 has I2S and analog audio interface for different application. SA628F30 support full duplex SMS communication.
SA628F30 embed very good voice codec, which achieve much better voice quality than walkie talkie in the market.
SA628F30 supports concurrent Tx and concurrent Rx. It support maximum 8 devices transmitting simultaneously. There is no limitation in receiving. Mesh Network is available to extend the range. The mesh function is easy to achieve by setting the modules as Node, Router or Node & Router.
SA628F30 can be upgraded over air ( OTA ) or by serial communication.
SA628F30 strictly uses lead -free process production and testing, which meets the standards of ROHS and Reach
Frequency Band: 420~510MHz(Customizable 150-960 MHz)
USB Interface
PC software configuration, easy operation
8-ChannelsFull-Duplex Data/Voice Communication
Echo cancellation function
VOX & PTT
OTA &Serial upgrade
I2S Digital voice+analog voice
Line In + Mic input
Mesh Network, concurrent Tx/Rx
3-4KM transmission distance in the open area
High Receiving sensitivity:-117 dBm
Low power consumption
|
Parameters |
Condition |
Min. |
Typ. |
Max. |
Unit |
|
Power Supply |
3.3 |
4 |
5.5 |
V |
|
|
Working temperature |
-30 |
25 |
70 |
℃ |
|
|
Current consumption |
|||||
|
Sleep current |
65 |
uA |
|||
|
RX Current |
@no voice output |
75 |
mA |
||
|
TX current(High power) |
4.2v,@30dBm |
450 |
mA |
||
|
RF Parameters |
|||||
|
Working Frequency |
UHF |
410 |
490 |
MHz |
|
|
Customizable frequency |
150 |
960 |
MHz |
||
|
Default frequency value for 16 channels |
UHF(1MHz interval) |
440.125 |
455.125 |
MHz |
|
|
Transmit power |
Default:32dBm |
15 |
30 |
32 |
dBm |
|
Bandwidth（BW) |
500 |
KHz |
|||
|
Receiving sensitivity |
-117 |
dBm |
|||
|
voice parameters |
|||||
|
Modulation sensitivity |
10 |
100 |
mV |
||
|
Receive signal-to-noise ratio(SNR) |
90 |
dB |
|||
|
Frequency response |
60 |
3800 |
Hz |
||
|
Voice output（line out) |
Load 16Ω |
40 |
mW |
||
|
Voice output power（SPK+,SPK-) |
Load 8Ω |
2000 |
mW |
||
|
Delay parameters |
2channels |
80 |
ms |
||
|
3channels |
120 |
ms |
|||
|
4channels |
160 |
ms |
|||
|
6channels |
240 |
ms |
|||
|
8channels |
320 |
ms |
|||
|
Pin No. |
Pin name |
Description |
|
1 |
SPKOUT+ |
Connect with 8 ohm 2W speaker |
|
2 |
SPKOUT- |
Connect with 8 ohm 2W speaker |
|
3 |
MIC_N |
Connected with the negative of external microphone |
|
4 |
MIC_P |
Connected with the positive of external microphone |
|
5,14,23 |
GND |
Connect to the negative pole of the power supply |
|
6 |
LINEIN |
Line in ,maximum 1VRMS |
|
7 |
LINEOUT |
Line out , Connected external16Ω earphone |
|
8 |
Reserved |
NC |
|
9 |
8 |
the onboard 16 RF channel switch, eg. When the rotary switch changed to channel 11th, the output ( 8, 4, 2, 1 ) is: 1011: channel 11th |
|
10 |
4 |
|
|
11 |
2 |
|
|
12 |
1 |
|
|
13 |
VCC |
VCC(3.3-5.5V) |
|
15 |
SDIN |
ExternalI2S(0-3.3V) |
|
16 |
BCLK |
ExternalI2S(0-3.3V) |
|
17 |
WS |
ExternalI2S(0-3.3V) |
|
18 |
VOL-ADJ |
50K variable resistoris recommended |
|
19 |
SD |
External I2S (0-3.3V) |
|
20 |
PTT |
Press to talk, 0: RX mode, 1: Tx mode. Pull up internally |
|
21 |
MCLK |
External I2S (0-3.3V) |
|
22 |
CS |
0: sleep, 1: working, Pull up internally. |
|
24 |
NC |
Fire emergency communication
Subway, tunnel communication
Riding system
High-quality full duplex walkie-talkie
conference call system
Building community security system
Security intercom system for special scenarios
Headset walkie-talkie
Special job assignment walkie-talkie
1x SA628F30 voice module
1x Antenna
1x Speaker
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: 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: 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: DWM24062802
SA628F22 22dBm full duplex wireless voice module with mesh network. Easy setup, high-quality voice, LoRa technology, OTA upgrades, and eco-friendly production.
Reference: DWM24062802
SA628F22 22dBm full duplex wireless voice module with mesh network. Easy setup, high-quality voice, LoRa technology, OTA upgrades, and eco-friendly production.
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: 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: 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: DWM22100201
Microhard P900 - Miniature Mesh 1W 900 MHz Wireless Modem use for Utility Meters, Remote Telemetry, Electric, Oil, and Gas Sensors/Detection.
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: DWM23082802
SR120UV-VHF is a enhance version of the SR-FRS-2WV 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: 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: 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: 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: 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: DWM22100202
High power 1W, long distance transmission, frequency range 902-928mhz, Microhard P900 core module manufacturer's nominal distance is 60 kilometers.
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: 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.
SA628F30 1W full duplex wireless voice module with mesh network. Easy setup, high-quality voice, LoRa technology, OTA upgrades, and eco-friendly production.
