云达不莱梅美因茨预测
東方聯星
RD120-2W BeiDou RDSS short message communication board

Function Description

RD120-2W BeiDou RDSS short message communication board is a transceiver module designed on the basis of BeiDou RDSS function. It uses the BeiDou RDSS Rf chip independently researched and developed by OLinkStar and integrates baseband and Rf function of BeiDou RDSS into a board with a small size of 50×70×10mm. It has satellite short message communication and positioning function and can be used with hand-held terminal or other terminals through bluetooth module(optional).

RD120-2W has these advantages: small size, low power consumption and high reliabillity. It can be widely used in satellite navigation, car navigation, marine fishery, hand-held terminal and aerological sounding and other fields which are compatible with BeiDou.


Applications

  ◆Vehicle monitoring, Marine monitoring, logistics monitoring

  ◆Hydrological detection, tsunami detection, emergency rescue

  ◆The forest fire warning, frontier defense warning


Specifications
  

electrical specifications

Voltage

+5V~+5.5Vrecommending 5.4V

standby current

300mA

Rf receiving and transmitting performance

Receiving carrier frequency

S

Receiving sensitivity

≤-125.0dBm

Transmitting carrier frequency

L

Power amplifier

≥2W

Maximum current

1.8A

physical specification

Size

50×70×10mm

environment indexes

work temperature

-20℃~+70

storage temperature

-40℃~+85

RDSS performance

positioning accuracy(RMS)

20m

Signal acquisition

2s

Signal reacquisition

1s

Communicaiton capability

120 Chinses words every message

decided by the level of SIM card

Communication and positioning success rate

95%

interface specifications

output interface

serial port232/UARTbluetooth

Baud rate

115200

Data power interface

14-pin DIL with interval of 1.27mm

Rf interface

MCXtransmittingreceiving

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