Module Board 0.7-9V 88-108Mhz Audio Transmission Module Microphone Wireless Pickup Transmitting Mic Core Board .0

Features: It makes the sound around the microphone into the and transmits out to achieve pickup and wireless . Wide voltage : 0.7-9V. Under the condition of 9V and use of 70cm antenna the launch distance is 50-100 meters in open space (depends on the actual environment). 88-108MHz adjustable launch frequency more flexible to use in different situations. Widely used in voice pickup transmission audio MIC the elderly and children sleep monitoring etc. Brand new material and . Compact and lightweight. Note: 1. Please allow 1-3mm error due to manual measurement thanks for understanding. 2. Color may be slightly different due to different conditions and monitor settings please in kind prevail. Specifications: Color: Green Operating Voltage: 0.7V-9V Frequency Adjustment : 88-108MHz Transmission Distance: Under the condition of 9V and use of 70cm antenna the launch distance is 50-100 meters in open space (depends on the actual environment) Relationship between Working Voltage (volts) Supply Current () and Transmit Power (dBm): 9V 24mA 10.2dBm (that is 11mW) 8V 21 9.5dBm 7V 19mA 8.5dBm 17mA 7.1dBm 5V 14mA 6.1dBm (about 5 mW) 4V 12mA 4.5dBm 3V 9mA 2.2dBm 2V 6mA -1dBm (about 1mW) 1.5V 4.2mA -4dBm (about 0.5mW the general family environment launch is sufficient small green radiation!) 1V 2.4mA -9dBm 0.7V 0.9mA -20dBm (that is 0.01mW) Item Size: Approx. 5 * 3 * 1cm / 1.97 * 1.18 * 0.39in Package Size: Approx. 5 * 3 * 1cm / 1.97 * 1.18 * 0.39in Package Weight: Approx. 3g / 0.11oz Package List: 1 * Module Board