Technical Specification
Modulation mode: GFSK
RF Line-of-sight Rang:
Working Frequency: 433~915Mhz (customized)
Interface:TTL/RS232/RS485
RF power:≤500mW
Receiving sensitivity: -120-115dBm
Reveive current: ≤32mA
Transmitting current: ≤500mA
COM baud rate: 1200/2400/4800/9600/19200/38400bps
RF baud rate: 1200/2400/4800/9600/19200/38400bps
COM data format: 8N1/8E1/8O1（default 8N1）
Working temperature:
Working humidity: 10%~90% The relative humidity, does not have the condensation
Outside Size:
Connection Definition with terminal
Table 1:PIN FUNCTIONS(TTL)
|
PIN |
Name |
Function |
Description |
|
1 |
VCC |
Power |
Power supply(5.0V) |
|
2 |
GND |
Ground |
Ground (0V) |
|
3 |
TXD |
Output |
Module output, TTL level(logic L:0V±0.3V; logic H:3.3±0.3V) |
|
4 |
RXD |
Input |
Module input, TTL level(logic L:0V±0.3V; logic H:3.3±0.3V) |
|
5 |
Reserve |
NC |
Unconnect, factory test |
Table 2:PIN FUNCTIONS(RS485)
|
PIN |
Name |
Function |
Description |
|
1 |
VCC |
Power |
Power supply(5.0V ) |
|
2 |
GND |
Ground |
Ground (0V) |
|
3 |
A |
BUS |
RS485 difference Bus |
|
4 |
B |
BUS |
RS485 difference Bus |
|
5 |
Reserve |
NC |
Unconnect, factory test |
Table 3:PIN FUNCTIONS(RS232)
|
PIN |
Name |
Function |
Description |
|
1 |
VCC |
Power |
Power supply(5.0V ) |
|
2 |
GND |
Ground |
Ground (0V) |
|
3 |
TXD |
Output |
Module Output, (logic L:+3.0V～+15.0V; logic H:-3.0V～-15.0V -1515.-15.0V) |
|
4 |
RXD |
Input |
Module Input, (logic L:+3.0V～+15.0V; logic H: :-3.0V～-15.0V) |
|
5 |
Reserve |
NC |
Unconnect, factory test |
Application Scopes
* AMR Automatic Meter
* Wireless alarm and security systems
* Building automation, security, wireless monitoring and Access Control System;
* Wireless data transmission, automatic data collection system;
* Low power telemetry
* 433 / 868 and 915 MHz ISM/SRD band systems
* Data radio can be used for Wireless conference voting system;
* Radio modem can be used for Sports training & competition;
* Wireless dishes ordering;
* Wireless POS, PDA wireless smart terminal;
* RF modem can be used for Electronic bus station and intelligent traffic;
* RF transmitter Wireless electronic display screen and queuing machine;
* Wireless telemetry Charging for parking, parking lot;
* Wireless modem Automobile inspection and four-wheel orientation;
* Wireless sensor Industrial wireless remote control and air conditioning remote controller;
* Data communication used for railway, oil field, dock and army.
* LED display in thruway and public places
* Wireless RS232/RS485 conversion/connector;