According to the product model and order quantity, there are five types of conventional packaging:
Shenzhen / HK
1 - 2
To be negotiated
The VW321A series wireless module provide the capability of a short range, reliable wireless point-to-point, point-to-multipoint and mesh network RF data communications link.They can be used in a variety of data communications applications that require a simple to use invisible data link.
The wireless modules are designed to operate in the unlicensed ISM frequency band (433MHz/868MHz/915MHz ISM band) and are therefore acceptable for use in many countries.
(1) 4 Operation modes: Transparent mode,Transparent secured mode,Addressed mode and Addressed secured mode. (2) Repeater supported. (3) Integrated wireless link protocols . (4) Deep sleep mode supported. (5) Server-Client mode. (6) Easy configuration by AT commands. (7) Easy configuration with a user friendly control panel on PC. (8) Boot Loader supported.
RS232/USB/232TTL:+4.5V~ +5.5V RS485:7.5V~ +24V
RF date rate:
1200bps ~ 128kbps
2km linkage range at 9600bps, L.O.S
RS485/RS232: 82mm X 50mm X 20mm (with casing including flange) USB: 81mm X 84mm X 24mm (with casing including flange) 232TTL: 41mm X 31mm X 7mm
RS485/RS232:Terminal Block USB:USB 232TTL:2.0mm SMT solder pad or pin header
☀ Providing the capability of a short range, reliable wireless point-to-point, point-to-multipoint and mesh network
RF data communications link. ☀ Being used in a variety of data communications applications that require a simple to use invisible data link, and is
designed to interface to a variety of host devices. ☀ Providing a two-way data communications links. The serial data transferred over the radio link is not altered.
Frequency: 433MHz Connector: SMA-Male Length: Antenna length 155mm (Cable length can be customized)
Name: Swivel Antenna
Frequency: 433MHz Connector: SMA-Male Length: 108mm (87mm after swiveled)
(1) Wireless 232 or 485/422 data link . (2) Water,electricity,gas and other automatic meter reading (AMR)system; (3) Building automation system; Security entry system; (4) Intelligent traffic; Vehicle Control; (5) Wireless scanner; (6) Restaurant Order System Management; (7) Industrial control,remote sensing,automatic data collection system; (8) Wireless data transmission; Digital audio,digital image transmission; (9) Wireless electronic display screen; (10) Telemetric systems; (11) Oil Well Measuring,Environmental Protection Monitoring. (12) Hydrology Water Level Monitoring; etc.
▪ Industrial Manufacturing
Replacing industrial field short-distance
signal cable, Reducing wiring, Easy to
manage and improve production efficiency.
▪ Automatic Water Meter Reading
AMR saves utility providers the expense of periodic trips to each physical location to read a meter. Helping to reduce user complaints and improve service quality.
▪ Smart Farm
Accurately monitor the details of each work area for easy statistics Management, first discovered potential risks.
▪ Hydrotlogy Water Level Monitoring
Remote monitoring hydrology water level in many environments including wells, dams, streams, weirs, storm water systems, and water treatment or wastewater treatment plants and etc. Get instant alerts and know exactly what's happening at any moment.
Packaging & Shipping
Our products are well packed with standard
paper box. Size:19.5cm*17.5cm*6cm.
There are different sizes of packaging according to the product model and order quantity.
We accept T/T, Escrow, PayPal and Westem
1.For sample quantities, we will normally ship the parts within 1-3 working days after payment is received. 2.The parts can be shipped by DHL/EMS/TNT/FedEx/UPS or other methods as per your resquest . We Will arrange
it for you if you have no preference on the express carrier. 3.We are not responsible for any accidents, delays or other issues that are the responsibility of the shipping service.
We maintain high standards of excellence and strive for 100% customer satisfaction. Feedback is very important to us. We welcome for your kind suggestion on the parts and our service.We are usually online from 8:45-17:45 (GTM+8). If you have any question, please feel free to contact us. If we are off line, you can leave a message, Email or call us. We will reply you as soon as possible!