500mW 3km Wireless Data Transceiver RF Module, 433mhz RS232 RS485 TTL Data Radio RF Transmitter and Receiver Module HR-1028

PERFORMANCE

Power Output:

≤500mW) <customized>

RF Line-of-sight Range:

2Km@9600bps, 3Km@1200bps

RF Effective Rate:

1200~38400bps optional, 57600bps customized

Receiver Sensitivity:

-123dBm@1200bps, -118dBm@9600bps

NETWORKING

Networking Topology:

Point-to-point, point-to-multipoint

POWER

Supply Voltage:

5V DC(customized according requirement)

Transmitting Current:

<350mA

Receiving Current:

<28mA (TTL connect)

Sleeping Current:

<20µA

GENERAL

Frequency Band:

433MHz(Default), 450MHz~915MHz(customized)

Communication Mode:

Half-duplex

Channel:

8(Default), 16/32(customized)

Interface:

RS-232/RS-485/USB/TTL optional

PHYSICAL PROPERTIES

Size:

80mm*45mm*19mm (without antenna port)

Antenna Impedance:

50Ω SMA (multiple antenna options available)

Operating Temperature:

-35~+75 C

Frequency Stability;

±2.5ppm

Pin No.

Pin name

Description

Level

Remands

1

GND

Grounding of power supply

2

Vcc

Power supply DC

5 V

3

RXD/TTL

Serial data receiving end

TTL

4

TXD/TTL

Serial data transmitting end

TTL

5

DGND

Digital grounding

6

A (TXD)

A of RS-485 or

TXD of RS-232

7

B (RXD)

B of RS-485

RXD of RS-232

8

SLEEP

Sleep control (input)

TTL

Low level sleep

9

RESET

Reset (input)