Demoro aprox 1 mes en llegar a mis manos cumple con mis expectativas, muy economico, mismo producto con carcasa completa en mi pais... 10 veces el valor de este. la cobertura es de 10 metros aprox, no bloquea señales 4G en caso de que alguien necesite ese tipo de bloqueo. desventaja que no viene con cargador, pero encontre uno por 3 dolares, recomendado ... Read more
I loveed this product its easy to use and carry i received it on exat date from my purchase and it took 20 days to reach me but iam happy with it i have built a box for it anyways its great. it helped me to stop my children todo all night surfing and texting now i m free thanks deals xtream just want to say y it became soo hot and it does not jamms ... Read more
it is a very helpful product when you are working in situation where people disturbs you with calls and text messages.
I use it in school test to avoid students from copying and surf the internet.
I also use it at home when i don't want to receive annoying phone calls. works only when full charged, if the battery is low it doesn't work properly and ... Read more
jams wifi and phone
small and easily concealable
detachable & replacable antennae exposed circuitboard, needs a box
low range you can build your own box, and the range on this thing can be extended with high-gain antennas.
to be frank, it doesn't have that many uses, however if you for instance need to blank ... Read more
Realmente funcionou bloqueou 3G e GSM. Produto barato, placa bem feita, componentes eletrônicos bem soldados. Já vem com uma bateria previamente carregada. Não vem com caixa, é a placa solta.
Não vem com o cabo de alimentação, nem especificação da alimentação.
Não vem com manual.
Botão ... Read more
* No soldering required
* Antennas included
* Excellent build quality
* Charging from USB port (cable not included) * Transmit power is low. Even cheap smartphones overcome it in the city with dense network coverage, The legendary Nokia 3310 don't even notice it.
* No manual at all. Thank FSM, I have some lab equipment to find out how to power ... Read more
*Easy to operate *Flimsy on-off button
*Charger not included
*Power output could be increased An included charger would make it perfect. An optional enclosure would also add protection.
I bought it to deter my shuttle chauffer from talking on the phone while driving and sometimes I manage to control this behavior. If you ... Read more
+ End calls easily in a northern European country.
+ Small unit
+ Easy to conceal in a box of your own choice
+ LOW PRICE
+ Looks fairily professional made
+ Charges with a standard DC plug on 4.5V - No documentation
- Does not work very well in a good reception area
- Power button could have been soldered in another way Could have been delivered with ... Read more
It does want you want it's made for, it blocks signals. Very useful for blocking cellphones and Wifi. It doesn't have a really big range and it came without an adapter, but I guess that most people have a 4,2V adapter that fits. it's not clear what the little red led at the bottom means when you charge it. It's didn't come with any casing, but it fits ... Read more
Relatively low price
Quite easy to use DIY-style
On/off switch is flimsy No charger provided or optional. You have to use some phone charger (be careful, watch battery type!) and the plug may not fit exactly and cause random charge interruptions. How about selling an optional case to fit the jammer in? Good item, just wish it were provided ... Read more
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