433Mhz RF transceiver module for water gas heat smart meter application FC-RF701

Items

Parameters

Power supply

2.9~3.6 V

Work Frequency

433/470Mhz

RF power

17.5~19dBm

TX current

90mA max optional

RX sensitivity

-105dBm optional

RX current

5.0mA max optional

Sleep current

5.1mA max optional

Breath cycle

1 s

Wake-up time

<4.8 ms

Modulation mode 

FSK

Channel number  

10 

Operate Temperature  

-40~85 °C

Humidity  

10%~90% Relative humidity,no condense  

Dimension  

51mm×27mm×5mm

Pin

Name

Direction

Description

1

MA

Output

Motor control positive

2

MB

Output

Motor control negative

3

PC

Output

Public end for connecting both Dry reed tubs

4

PA

Input/output

Connect to Dry reed tube A

5

PB

Input/output

Connect to Dry reed tube B

6

VCC

Output

+2.8V - +3.5V

7

A/TX/TXD

Output

A of RS485,TX of RS232,TXD of TTL

8

B/RX/RXD

Input

B of RS485,RX of RS232,RXD of TTL

9

GND

-

GND

10

VDD

Input

+2.9V - +3.6VDC

11

GND

-

GND

12

ANT

Input/Output

Antenna port

13

GND

-

GND