Specifications:
S7889 handle data transparent ,no protocol or data format limitation.
Long communication distance and build complex network is main advantage.
Transmission Distance ---- 100 meters ~ 3, 000 meters
Network Topology ---- Star, tree and chain type, mesh network
Network ID ---- 65535
Network Node ---- 65535
Maximum Packets ---- 256 bytes
Data Interface ---- TTL level, RS232 and RS485
Serial Signal ---- TXD, RXD, GND
Serial Rate ---- 1200 ~ 115200 BPS
Modulation Mode ---- DSSS direct sequence spread spectrum
Frequency Range ---- 2.405GHz~ 2.480GHz
A Radio Channel ---- 16
Receiving Sensitivity ---- 94 dBm
Transmission Power ---- -27dBm~25dBm
Antenna ---- External SMA Antenna
Conflict Prevention ---- GTS, CSMA - CA and CSMA - CA
Input Voltage ---- AC/DC12~ 24V, Standard is 24VDC