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| Holy Stone Enterprise Co., Ltd OT-STM315/434AB DESCRIPTION STM is a low coast A.S.K. SAW transmitter module. It makes RF remote techniques easily, just input the data code and output with a high stability RF signal. FEATURES SAW chip on board technology Low power consumption Operation temperature range : 20 70 Wide range of operation voltage : 1.515 Volts. Easy for application RF output -10~+16dBm at 3V DC operation voltage Available frequency at follows : 433.92 / 315 MHz PIN ASSIGNMENT APPLICATIONS Car security system Garage door controller Home security Wireless mouse Automation system BLOCK DIAGRAM Absolute Maximum Ratings Parameter Supply Voltage Data Input Voltage Operating Temperature Storage Temperature Rating 0.3 to 15 0.3 to VDD+0.3 20 to 70 40 to 150 Units V DC V DC Parameter Frequency Range Fix by SAW Frequency Accuracy A Frequency Accuracy B Frequency Accuracy AB Output Power Current Consumption Modulation Specification Min. Typical 315 433.92 75 250 150 0 3 3 17 0 1 5 4 20 1 3 8 5 25 2 Unit Max. MHz Condition kHz kHz kHz dBm dBm mA mA kHz At 3 Volt. Power 50 At 12Volt. Power 50 Load Load At 3 Volt. Power Data Input = VDD At 12Volt. Power Data Input = VDD On-Off Key (OOK) Frequency PIN NO. Function Description Inter Connection 1 RF Output OSC Unbuffered Output 2 GND Ground Connection 3 Data Input On-Off Key Logic Data Input 4 VCC DC Positive Power Supply PACKAGE DIMENSION DIMENSIONS (UNIT : mm) FREQUENCY STM SIZE A 303315 MHz 340434 MHz L S 7.60 6.80 B 11.0 10.0 C 1.70 1.70 D 3.0 3.0 |
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