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JiZhuo

Technology

EZ50B Wireless Serial Radio Modem

SHENZHEN JIZHUO TECHNOLOGY CO., LTD

TEL

：

0755-83304518 83308451

Tech:0755-61319411 61319410 WEB: http://www.jizhuo.com

- 10-

EZ50B

default parameter

Channel: First channel;

Serial port speed: 9600BPS

Serial port verification: Null

Airborne speed: 9600BPS

Technical specification of EZ50B

Technical specification

Modulation

：

GFSK

Frequency

：

915MHz

Transmit Power

：

TBD

Receiver sensitivity

：

-121dBm

Transmit Current

：

<75mA

（

TTL interface

）

Receive Current

：

<30mA

Sleep Current

：

<10uA

Channel Rate

：

1200/2400/4800/9600/19200/38400Bit/s

customized

Serial Port Rate

：

1200/2400/4800/9600/19200/38400Bit/s

customized

Interface

：

UART/TTL RS232 RS485

Interface-data-format

：

8E1/8N1/8O1

Working Power

：

DC 4.5-5.5V

Working Temperature

：

-20

℃

～

℃

(could be customized-40

℃

～

85 )

℃

Working humidity

：

10%

～

90%

Relative humidity, no condensing

Size

：

110mm*85mm*25mm

Communicated Model

：

EZ50B/JZ872/JZ873/JZ874/JZ875/JZ878

Содержание EZ50B

Страница 1: ...er s Manual DVER 2 0 SHENZHEN JIZHUO TECHNOLOGY CO LTD TEL 86 755 83304518 805 Mobile 86 13692285161 FAX 86 755 83302824 Website http www jizhuo com Email sale jizhuo com MSN shenzhen_jizhuo hotmail com Address NO 813 212BLD Tairan Tech Park Futian District Shenzhen China Post Code 518040 ...

Страница 2: ...e no user written set and transmission procedures you can transmit data of any size Module is small the use of voltage is wide easy to use s Applications Features Water electricity gas heating automatic meter reading system Frequency 915MHz Wireless smart terminal PDA Wireless Queue System Wireless alarm and security system Smart Card Medical and electronic instrumentation automation control Intel...

Страница 3: ...enerally not longer than the 120B and recommended user program using the ARQ mode the error data packets retransmission As follows If the actual error rate 10 4 users need to send 1KB about 10000bit information if the 1KB data as a packet sent at least theoretically there will be a data error in the receiver then the 1KB data can never be received correctly If it is divided into 10 packages each p...

Страница 4: ...ation of EZ50B module the module uses a wide voltage range but also divided into two kinds of voltage the first for the 5V power supply module also known as conventional module the voltage of DC 4 5V 5 5V users in the use of power to DC power supply the current must be greater than 200mA but to choose a good power supply ripple Module pin definition EZ50B module J1 J2 interfaces seat detail as fol...

Страница 5: ...JiZhuo Technology EZ50B Wireless Serial Radio Modem SHENZHEN JIZHUO TECHNOLOGY CO LTD TEL 0755 83304518 83308451 Tech 0755 61319411 61319410 WEB http www jizhuo com 4 Appearance ...

Страница 6: ...JiZhuo Technology EZ50B Wireless Serial Radio Modem SHENZHEN JIZHUO TECHNOLOGY CO LTD TEL 0755 83304518 83308451 Tech 0755 61319411 61319410 WEB http www jizhuo com 5 Installation Dimensions ...

Страница 7: ... with user equipment connection Note EZ50B did not have sleep in the state the module of the SLE feet must be vacant In the sleep state when the module must be low the module can send and receive data Module with PC connection Note As EZ50B mode TTL interface module so the PC must be added to connect the TTL to RS232 converter and converter must supply DC 5V of electricity ...

Страница 8: ... detection when the check to the station the software will prompt detection success you can read or change a single parameter C change parameters when you select a parameter you want to set after set up to read again to see the parameters of the module is not what you want Note Two or more modules to communicate then the frequency of the station modules and air rate must be same Module to communic...

Страница 9: ...uA EZ50B hibernation wake up mode for the hardware Wake is the fifth through the interface hardware input pin high to sleep wake up input low If the user has a sleep function EZ50B but do not want to use the hibernate feature available through J2 pin 9 to ground then achieve Details as followings Module in the working state to sleep state it is necessary to SLE pin from low to high if the module i...

Страница 10: ...re than 1ms delay From Module A transmit to Module B receive When the user is doing data transfer the data must take into account the delay module in order to ensure the reliability of wireless transmission the company added the module FEC forward error and other encoding rules Then from A to B module module in the middle of the transmission of data with different baud rates for the delay in the f...

Страница 11: ...dulation GFSK Frequency 915MHz Transmit Power TBD Receiver sensitivity 121dBm Transmit Current 75mA TTL interface Receive Current 30mA Sleep Current 10uA Channel Rate 1200 2400 4800 9600 19200 38400Bit s customized Serial Port Rate 1200 2400 4800 9600 19200 38400Bit s customized Interface UART TTL RS232 RS485 Interface data format 8E1 8N1 8O1 Working Power DC 4 5 5 5V Working Temperature 20 75 cou...

Страница 12: ...Shipped Antenna 3dBi ...

Страница 13: ...d and found to comply with the limits for a Class B digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio com...

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