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SH-055UN8LW can catch weak and strong signal no matter in quiet or noisy place.


Car Key RFID 433MHz jamming signal detector

Product ID: SH-055S4RF / 80730

Modern cars use remote keyless entry systems implementing encryption to prevent car thieves from intercepting and spoofing the signal. However,the smart thefts involve the use of 433 MHz jammer to allow the thieves to get inside the car, without the need for breaking a window.

This new Car key RFID jamming signal detector SH-055S4RF which is an effective tool to disclose the jammer. It can identify jamming signal up to 100 feet or more.


1. No false alarm by people using cell phone, WiFi or Bluetooth around.

2. Adjustable detecting distance. 

3. Small compact size, just 5 inches long.

4. Audible alert and high lumen warning light.

5. Relay output for connecting car alarm system.

6. Low power consumption: One AAA battery can last for 3 days.

7. Support car power input by cigar plug for long term use. 

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Available remote keyless entry system (RKE)

 433.92 MHz (Europe,Japan, Asia,Africa)


 L 12.8 x W 2.9 x T1.4cm


 about 50 g


 1. AAA x 1 Alkaline battery or rechargeable battery
 2. Car power through cigar plug

Battery duration

 3 days for new battery or after full charged

Detecting distance

 About 100 feet or more, adjustable

Alarm sound

 65 dB

Alarm output

 0.1A photo relay, Normal Open


 - 80dBm


  • CE
Contact Detail
CEO:Mr. Dennis Huang
Contact:General Manager
Address:11F-1, No. 29, Sec. 3, Roosevelt Road Taipei City, 106 Taiwan
TEL:886-2-23626787 (Rep.)

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