Description
FM Microphone Transmitter Module
The source describes this as an FM microphone transmitter module. Its title and excerpt list 88–115 MHz, while the body lists 85–115 MHz; verify the module’s actual tuning range.
- Operating voltage: 2–9 V
- Current: 9 mA at 3 V (source-listed)
- Operating frequency: 85–115 MHz in the body; 88–115 MHz in the title/excerpt
- Frequency adjustment: trimmer capacitor
- Output impedance: 50 Ω
- Size: 2 × 1 cm
- Reference range claimed by the source at 3 V: up to 100 m in open terrain and 10–30 m with indoor obstacles. Actual range varies and these figures are not guaranteed.
The source says increasing supply voltage can increase range. Do not exceed the module’s electrical ratings or the permitted radio-frequency power and operating conditions in your location.
Morocco: ANRT lists the FM sound-broadcast band as 87.5–108 MHz. This module’s stated range extends outside that band. Before transmitting, check frequency allocation, equipment approval or exemption, and applicable power limits with ANRT. Do not assume the full tuning range is authorized for use.
ANRT FM transmitter technical approval specification · ANRT equipment approval information
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