Long Range 4Km 490Mhz RF Transmitter And Receiver Module For Smart Card

4Km 490Mhz Various Wireless Solution RF Data Module For Wireless Parking Meter JZX893

Quick Details:

1. Frequency: 490MHz

2. Interface:RS232,Option of RS485/TTL

3. Transmit Distance: 2500-4000m

4. Transmission Power: 1W

5. Sensitive: -123dbm(1200bps)

6. Size: 58mm*38mm*10mm

Applications:

> Smart Card

> Wireless Queue System

> Wireless electronic scale

> Wireless smart terminal PDA

> Intelligent teaching equipment

> Wireless alarm and security system

> Intelligent home automation and lighting control

Product specification:

1.uses GFSK modulation mode, reliable line of sight transmission distance up to 3000m;
 

2.Carrier frequency 490 MHz, measurement frequency band;
 

3.provides 8 channels;
 

4.interface / channel rate: 1200/2400/4800/9600/19200/38400bps

5.Interface: TTL, RS-232, RS-485 interface;
 

6.transceiver, half duplex, sending and receiving data conversionautomatically, as long as the interface

7.to send / receive data to the conversion time is short;
 

8.can be used for point to point, multipoint, multi-pointcommunication and other combinations;
 

9.transparent data transmission, can transmit long data frames;
 

10.automatically filter out false data generated in the air, long-term reliability is good, very low failure rate;

11.Power: Power 1w, receiving current <45mA, transmitting current<1A;
 

12.Power Supply: DC +4.5 V ~ +5.5 V.
 

13.Temperature: -25 °C ~ +85 °C;
 

14.size: 58mm × 38mm × 10 mm (excluding antenna);
 

15.exchange model: JZ89 series;
 

16.Standard Antenna: SMA thick whip antenna or a small suction cup.

Packing Pictuer:

Optional Antenna:

Warranty(quality):

1.We have specialized  technical matintentance team ,

2.1 year free maintentance,lifelong technical technical support  for customers

3.  Three packs of sevirces,quality,assurance

Strategy: To be the long-standing supplier of customer

1. Always take customers as our first priority

2. Always endeavor to achieve 100% customer satisfaction

3. Always assess the service quality from the angle of customers

4. Always adhere to 5S concept: smile, speed, sincerity, smart and study.

5. Always take customers feedback into serious consideration