RS-232/485 Mini power wireless RF module(1000M)

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RS-232/485 Mini power wireless RF module(1000M)

Bài gửi  duyminh on Thu Jun 30, 2011 12:15 pm

RS-232/485 Mini power wireless RF module(1000M)

RF Module with FSK Modulation and RS-232/RS-485/TTL Level Interface,transmission distance up to 1000m

1) RS-232/485 Mini power wireless digital transmission module
2) Interfaces: standard RS-232, RS-485 and UART/TTL level for direct connection with computers, use's RS-485 equipments, SCM or other UART parts
3) Adopted half duplex communication channel most suitable for point to multi-point communication mode
4) Primary station takes full control of communication harmony and adopts data frames with address codes for data or command transmitting
5) Secondary station shall fully receive them and select response by comparing address codes
6) All the work shall be fulfilled by upper layer protocols, which shall ensure that only one wireless module in the communication network is in transmitting state in any instant to avoid mutual interference
7) Can also be applied to point to point communication, making easier and smoothly upgrade wire (RS232/485/TTL) transmission mode in original system
Technical parameters:
a) Sight distance credible transmission distance is up to 1000M (BER: 10-3 at 9,600bps)
b) Offer byte-oriented transparent data adaptable to various user protocols
c) Can be applied to manifold communication combination methods like point to point, point to multi-point and multi-point to point
d) Automatically filtrate fake data generated in air
e) Can transmit longer data frames
f) Modulation mode basing on FSK
g) Adopts high efficiency forward error correction channel coding technology and anti-jamming data
h) ISM frequency range: 429.00 to 433.30MHz, need not apply for frequency pint
i) Micro-power transmission: 500mW maximum
j) Equipped with 50Ω SMA antenna pedestal, offer manifold antenna options
k) Interface: RS-232, RS-485 and TTL level
l) Effective speed: 1,200, 2,400, 4,800, 9,600, 19,200 and 38,400bps
Working temperature:
Common: -20 to 70°C
Industrial class: -35 to 70°C
Transmitting current: ≤360mA
Receiving current: ≤45mA (1,200bps)

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