cần mua bộ thhu phát không dây có cổng RS232

[TMe]

2 Km được ko bạn, hiện bên mình có module RF thông số như sau:

* Carrier frequency: 433 MHz, 450MHz, 868MHz, 915MHz or ISM others;

* Provide rich interface:RS-232/ TTL/ RS-485;
* 8 channels, expandable for 16/32 channels according to requirements of customers;
* Baud rate: 1200/2400/4800/9600/19200bps;
* Interface format: 8N1/8E1 user-defined, or customization for other format interface;
* Integration of receiving and transmitting and half duplex;
* Low power consumption and sleep function;
* Temperature: -35~+75 C;
* Impedance: 50 Ohm(SMA antenna port, multiple antenna options available);
* Complying with EN 300220 and ARIB STD-T67