Tel:
    021-50272180 Ext.806/807/809

Inquiry:
    sunray_sale1@163.com

Add:
    8F,NO.560,Shengxia Rd,
    Pudong Zhangjiang,Shanghai

SRWF-6E88A Water meter collector module 

SRWF-6E88A is remote meter collector wireless communication module which is reserched and developed by our own company and use the specific LoRa modulation of SEMTCH,
the data format follow the CJ/T188 protocol and our company’s water meter acquisition agreement (6009 meter), module dimension, interface definition and so on, all fit in with the national grid type specification for I type collector.

Product Information

 Product Brief :


SRWF-6E88A is remote meter collector wireless communication module  which is reserched and developed by our own company and use  the specific  LoRa  modulation of SEMTCH,
the data format follow the CJ/T188 protocol and our company's water meter acquisition agreement (6009 meter), module dimension, interface definition and so on, all fit in with the national grid type specification for I type collector.

Use Condition :


Pin description

Module corresponding pin number

Signal Type 

Signal Name 

Signal Direction
(For module )

Instruction

12

Power Supply  

VCC

I

Communication module analog power, supplied by the collector, voltage range: +12V to ± 1V, voltage ripple is not greater than 120mV, load current 0 ~ 125mA.

34

Power Supply

GND

 

communication

5

Signal  

TXD

O

Communication module send a signal pin to the collector. Module low level current's drive capability is not less than 2mA.

6

Reserve

RESERVE

 

Reserve

7

 Signal  

/SET

I

Reserve

8

 Signal

RXD

I

Communication module receive the signal pin (TTL level). Collector low level current's drive capability is not less than 2mA.

9

Signal 

/RST

I

Module reset input (low level active) pin, collector open drain mode, the normal is high resistance. The reset signal pulse width is more than 0.2S

10

State 

STA

O

Reserve

11

State

EVENTOUT

I

Collector event status output, when an event occurs, output high level; after the query,  output low level 

12

Reserve 

 

RESERVE

Reserve


 


Main Function :  


Module Technology Parameters

Item

Parameters

Working Voltage 

12V

Working frequency 

470~510MHz

Modulation Mode

LoRa(Spread spectrum modulation)/GFSK

Occupied bandwidth 

>125KHz LoRa

Transmission power

23dBm (Maximum adjustable transmit power)

Receiving sensitivity

≦-136dBm ||470MHz frequency,125KHz,Spread spectrum factor=12

Transmission current

<110 mA ||23dBm

Receiving current  

<20mA

communication interface

TTL(3.3V)

serial port rate

2400(Can be set )

serial data format  

8N1/8E1/8O1(Can be set )

RF Interface

SMA External antenna

communication protocol  

CJT188/6009 water meter  

communication 
distance
 

 

GFSK:800米 AT-1 antenna height 2m,470MHZ frequency ,10Kbps, 17dBm

LoRa:2000米 AT-1 antenna height 2m,470MHZ frequency,17dBm

Working temperature  

-40 ~ +85℃

Working humidity

10%~90% relative humidity , no condensation

Dimension

70*50.0*27.2mm


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Contact Us

Tel: (+86 21) 50272180 Ext.806/807/809
Email: sunray_sale1@163.com 
Add: 8F,NO.560,Shengxia Rd,Pudong Zhangjiang,Shanghai
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