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FM transmitter module schematics

Figure shows the typical application circuit of FM-RTFQl-868/433/315 MHz FM transmitter module.

The circuit components used are: RF400E FM-RTFQ1-868

FM-RTFQl-xxx is a high efficiency FM transmitter. This series has FM-RTFQl-315 MHz, FM-RTFQ1-433 MHz and FM-RTFQl-868 MHz three models, a complete set of receivers is the FM-RRFQ1-315 MHz, FM-RRFQl-433 MHz and FM -RRFQl-868 MHz. They are suitable for wireless security systems, car alarm and remote control / telemetry application. The main technical features are as follows: * Work frequency 315/433/868 MHz; · firing range of up to 250 m; · data transfer rate of 9.67 Kb / s, · supply voltage of 2.1 ~ 4.0 V; · maximum operating supply current is 8 mA, the maximum standby current of l00 nA; · maximum output power of +5 dBm (50O load, VCC = 3.3 V); · operating temperature range is -20 ~ +85

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FM transmitter module schematics