ShangHai Sunray Technology Co.,Ltd
China. Shanghai Tel
：
86-21-38953738/ 86-21-50275250 Fax
：
86-21-50270187
Page 2 of 4
I.
Introduction
SRWF-RFScanner-SDK
transceiver data module of wireless scanner
transmit the
coding data from scanner by wireless to wireless receiver terminal. It has wireless transmit
、
carrier detect
、
verification
、
low voltage alarm, guaranteeing the convenience and veracity of
data transmit. module will be in sleeping mode when not receiving data from scanner in the
enactment time, and could be wake by switch.
II. Feature
※
Low power transmission:
With the transmission power of 17dBm, carrier frequency of
433MHz
※
Multi- channel:
The standard configuration provides 8 channels, meeting the multiple
combinational mode of communication.
※
High anti-interference and low BER(Bit Error Rate):
Based on the GFSK/FSK
modulation mode,
c
arry on the verification to the each package of data , guaranteeing
the accuracy.
※
Low power consumption and sleeping function:
the module will be in sleeping mode
when not receiving data from scanner in the enactment time, and cut off the power of
scanner. sleep current is 5
±
2uA.
※
Low voltage alarm :
when the battery voltage is below 3.6v,the buzzer will have three
short call every third minute or so, reminding charge.
※
Long transmission distance
：
Within the range of visibility, the reliable transmission
distance is 400 m
III.
Technical Specification
Serial
Numeber
Item
Parameter
1
Modulation mode
GFSK
2
Working frequency
433 MHz
3
Transmission power
17dBm
4
Receiving sensitivity
-113dBm
5
Channel counts
8 channel
6
Transmitting current
85
±
5mA
7
Receiving current
28
±
2mA