Specifications

1. Specifications

* RF power : ≤50mW/ 17dBm;

* Receiving current  : <25mA;

* Transmitting current  : <55mA;

* Sleep current  : <20uA;

* Power supply  : DC 5v or 3.3V;

* Receiving sensitivity  : -115 dBm (@9600bps)

-120 dBm (@1200bps);

* Size  : 47mm×26mm×10mm (without antenna port );

* Range  : ≤0.8Km (BER=10-3@9600bps,when antenna is 2m above ground in open area),

≤1 Km (BER=10-3@1200bps,when antenna is 2m above ground in open area).

2. Products Main Features

* Carrier frequency  : 433/450MHz or ISM others optional, Free License;

* Interface  : RS-232/ RS-485/ TTL optional;

* Multi-channels  : 8 channels, expandable for 16/32 channels;

* Baud rate in air  : 1200/2400/4800/9600/19200bps, set before delivery;

* Transparent data transmission  : What has been received is exactly what has been transmitted, suitable for any standard or non-standard user protocols;

* Interface format  : 8N1/8E1/801 user-defined, or customization for other format interface;

* Modulation  : GFSK. Based on the Gaussian Frequency Shift Keying (GFSK) modulation, High anti-interference and Low BER (Bit error Rate);

* Half duplex  : Integration of receiver and transmitter,10ms auto change for receiving and sending;

* Low power consumption and sleep function;

* Widen Temperature  : -35°C~+75°C (-31~167 F);

* Working humidity  : 10%~90% relative humidity without condensation;

* Impedance  : 50Ω (SMA antenna port, multiple antenna options available);

* Complying with EN 300220 and ARIB STD-T67.

3. Application areas

* Automatic meter reading(AMR) and home automation ;

* Wireless smart terminal: POS, PDA, PTZ

* Wireless electronic display screen, LED display;

* Wireless remote control, Environment monitor, telemetry system;

* Check attendance system, Queue-management system and positioning in coal mine;

* RS-485 wire multi-drop system changeover wireless system;

* Industrial automatic data collection, Wireless Data Acquisition, Wireless sensor, SCADA;

4. Setting of channel, interface, and data format:

User can change or view the module’s parameter setting (interface baud rate and channel) by testing software “YSPRG.EXE” in the CD (Free). Channel 6 is default value.

Corresponding frequency points at 433MHz of 1~8 channels

Ch. Frequency Ch. Frequency Ch. Frequency Ch. Frequency

1 429.0325MHZ 2 430.0325MHZ 3 431.0325MHZ 4 432.0325MHZ

5 433.0325MHZ 6 434.0325MHZ 7 435.0325MHZ 8 436.0325MHZ