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479 reviews

88-115MHz FM Wireless Microphone Surveillance Transmitter Module Board For Arduino Adjustable Capacitor DC 2V 9V 9mA Voltage

Brand Name: diymore. Model Number: Voltage Regulator. Type: Voltage Regulator. Condition: New. Dissipation Power: Voltage Regulator. Operating Temperature: Voltage Regulator. Supply Voltage: Voltage Regulator.

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479 reviews

88-115MHz FM Wireless Microphone Surveillance Transmitter Module Board For Arduino Adjustable Capacitor DC 2V 9V 9mA Voltage

Brand Name: diymore. Model Number: Voltage Regulator. Type: Voltage Regulator. Condition: New. Dissipation Power: Voltage Regulator. Operating Temperature: Voltage Regulator. Supply Voltage: Voltage Regulator.

A***y
This is review for 100m product: 1. Frequency stability over voltage change is better than on 800m product, but still no good: about 0.01 MHz per volt on 2-5 volts, and almost not changing on 5-9 volts. 2. Nearly impossible to set specific frequency: 90 degree of rotation of variable capacitor changes frequency all over from 80 to 120 MHz. It is even harder to set flat frequency (for example, 102.6 MHZ, but not 102.6273 or 102.5856). 3. Also metallic screwdriver inflicts on frequency, so when you set frequency by rotation, it will change when you remove screwdriver from capacitor. You need dielectric screwdriver. 4. Size of screwdriver tip needed to fit variable capacitor is VERY small. I hardly found that metal screwdriver tip. Finding dielectric screwdriver that small will be even harder. 5. Low sound volume sernsitivity. You need to speak about 20 cm from microphone to get same volume as average radio station. Sensitivity on high frequency (>5 kHz) is bigger.
A***s
All ok
N***n
I received the product and tested they said 2v-9v but I tested with 5v-9v and the results are 5v don't work properly 9v perform perfectly... thank you all....
A***a
Normally without interference begins to work with 8v-9v, you need to achieve the adjustment so that there are no strong radio stations nearby.
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A***k
Everything is perfectly Packed, without damage.
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T***a
The package arrived in perfect condition and in an anti-static bag, I can't prove it yet but I can barely make extra comments
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What customers say

37% buyers are happy with: Seller good. It came pretty fast. Product excellent. Everything works. Delivery fast. Goods were tracked. Shipping fast. All ok. Device is matching its description. Parcel came quickly.
9% buyers complain about: Microphone average radio station. Item not delivered. Unit non-working. Track tracked by china. Dielectric screwdriver need. Signal very weak. Launch will be feedback. Customs no problem. Module did not check. Compact small.
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More Customer Opinions

seller
14 4
good • i recommend • great • sent the parcel for 3 days after order • responsible • inconvenience • recommend • goes to contact • is good refund my money • 5 stars • good sales
product
8 3
excellent • good • came today 08.11.2019 • was send out in 24.09.2019 • meets the declared specifications • as described
everything
11
works • is super • works properly • came • is fine • is perfectly packed • without damage
delivery
10
fast • works great • took about a month to canada • a little more than a month • time • instant
shipping
6 1
fast • very long • three weeks • in моск • 20 days
all
5
ok • is ok 1 supperseller
device
3 2
is matching its description • super miniature • looks super
parcel
3 1
came quickly • received in 6 weeks
board
3
is very small • works well • working
antenna
2 1
greatest radius of the day • turned out to be consistent
quality
2
high • good
build quality
2
is amazing • time
package
2
checked • arrived in perfect condition
it
9 9
is even harder to set flat frequency • hurt for a long time • not yet checked • was about a month • did not come • does not work • does not find a wave • did not work • didn't come
goods
5 5
did not even send • haven't come • could not be sent for a long time • did not come the money returned waited 3 months • did not come
microphone
2 4
average radio station • got • is not very sensitive • working only low sensitivity
item
1 3
not delivered • did not check the shipping long
unit
2
non-working • do not want to send a working
track
2
tracked by china • not tracked
dielectric screwdriver
2
need • small will be even harder
signal
2
very weak • not work
this
1 1
is not advertising
work
1 1
i did not check
fee
1 1
very small
battery new checked
1 1
does not work
it's
1 1
not missing well
launch
1
will be feedback
customs
1
no problem
module
1
did not check
compact
1
small
results
1
are 5v don't work properly 9v perform perfectly
interference
1
begins to work with 8v-9v
sound volume sernsitivity
1
low
screwdriver tip
1
metal
it's life hack
1
painful procedure
size of screwdriver tip
1
is very small
screwdriver
1
inflicts on frequency
seller refund
1
did not come
order
1
i did not receive
radio microphone
1
came safely
received
1
not yet checked
frequency response
1
is not very