eBay

Features：

1. Multiple specifications can be selected, RS485/RS232/USB three products only different interfaces, the same function
2. Can communicate with each other, mixed use
3. Can send data to each other
4. Can be transmitted over long distances
5. Widely applicable, multiple occasions can be used.

Specification：
Working voltage: 4.8V-9V (2A power supply is recommended).
Interface:RS485/RS232/USB
Frequency:433 mhz / 868 mhz
Transmit power:-40~+20dBm.
Receiving sensitivity:-114dBm.
Operating temperature:-25℃~+75℃.
Transparent transmission mode baud rate: 1200 2400, 4800, 9600 (default), 19200, 38400, 57600, 115200.
Transmission distance:500M
Size(without antenna):80x50x31mm

Product Description：
RS485/RS232/USB three products only different interface, the same function. Can communicate with each other, mixed use .
RS485 < -- > RS485, RS232 < -- > RS232, USB < -- > USB.
USb <-> RS485, USb <-> RS232, RS485 <-> RS232

Usage (>=2pcs)
Module 1 and Module 2 send data to each other.
2 3PCS, module 1 sends data, module 2 acts as a repeater (multiple repeaters can be used), module 3 receives data; delayed sending and receiving distance.
3 >= 3PCS, one as master device and the other as slave device.
They work as well as wired RS485 bus. The master device sends data and the slave device receives data. Any slave device transmits data, and both the master device and other slave devices can receive it. Only one device (master or slave) is allowed to transmit data at any time.

List：
1 x Wireless Transceiver

Shipping
Payment
Returns

Shipping

1.We ship to your eBay or Paypal address. Please make sure your eBay and Paypal address is correct before you pay.

2.Items will be shipped within 1-3 business day when we received payment except holiday.

3.Delivery time depends on destination and other factors;

4.International buyers please note:

a.Import duties, taxes and charges are not included in the item price or shipping charges. These charges are buyer’s responsibility. We will try our best to reduce the risk of the custom duties.
b.Please check with your country's customs office to determine what these additional costs will be prior to buying.

Payment

1.We accept Paypal only.

2.All major credit cards are accepted through secure payment processor PayPal.

3.Payment must be received within 7 business days of auction closing，or a unpaid case will be opened by ebay.

Returns

1.We believe our items are so outstanding. We are convinced you will be happy with your Purchase.

2.If you do not satisfy with our items. Please simply return to us within 30 Days in original condition. Just pay for the returned postage. Then we can issue full refund to you after the returned item arrived at our warehouse.

3.Please include your eBay ID and item number with any email requests.