303.875MHz ASK RF Transmitter Module
TWS-BS-7
303.875MHz

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Model : TWS-BS-7

TWS-BS-7 is SAW based wireless AM transmitter module. Have excellent stable frequency. Wide Power Supply Range: 3V~12V. Compatible with WENSHING Receiver module Model No. are RWS-374, RWS-375, RWS-436 and RWS-438. Application: wireless security, remote keyless entry, robotics, wireless data acquisition, RF remote control etc.

Spec

Frequency Range :303.875 MHz
Modulate Mode : ASK
Circuit Shape : SAW
Data Rate : 8Kbps
Supply Voltage : 3~ 12 V
Voltage : 3V,Current : 4.9mA

Voltage : 5V,Current : 8.4mA
Power Supply and All Input / Output Pins : -0.3 to 12.0 V
Non-Operating Case Temperature : -10 to +70 ℃
Soldering Temperature : 230 ℃ ( 10 Seconds)
Simple To Apply with Low External Count
High Sensitivity Passive Design.

Application

Wireless security systems
Car alarms
Remote gate controls
Remote sensing

Date communication
Remote water/electric switch
Pager system
PDA data communicated

Absolute Maximum Rating

Rating	Value	Unit
Power Supply and All Input/Output Pins	-0.3 to +12.0	V
Non-Operating Case Temperature	- 10 to +70	℃
Soldering Temperature (10 seconds)	230	℃

Electrical Characteristic (T=25 ℃,Vcc=3.6V, Freq=303.875MHz)

Parameter	Min	Type	Max	Unit
Operating Frequency (±250KHz)	303.57	303.875	304.17	MHz
Data Rate			8	Kbps
Current Consumption			8	mA
Output Power			32	mW
Operating Voltage	3		12	VDC
Operating Ambient Temperature	-10		+70	℃

TWS-BS Part No

Part No	Description
TWS-BS-1	AM Transmitter Module 916.5MHz
TWS-BS-2	AM Transmitter Module 868.35MHz
TWS-BS-3	AM Transmitter Module 433.92MHz
TWS-BS-4	AM Transmitter Module 418MHz
TWS-BS-5	AM Transmitter Module 318MHz
TWS-BS-6	AM Transmitter Module 315MHz
TWS-BS-7	AM Transmitter Module 303.875MHz

Matching Module

Transmitter	Receiver	Distance
TWS-BS-7	RWS-374-1(303.875MHz)	80~120M
TWS-BS-7	RWS-375-1(303.875MHz)	80~120M

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TWS-BS-7