42W High Power Prison Cell Phone Jammer
Advanced 18-channel signal blocking system designed for maximum security applications, effectively disrupting 2G, 3G, 4G, 5G, and 2.4GHz WiFi signals.
Model Variations
U-018A: Full bands mobile phone 4G/3G/2G + WiFi 2.4G + GPS L1-L5 + Walkie-Talkie UHF/VHF
U-018B: Full bands cellphone 4G/3G/2G + WiFi 2.4G + GPS L1-L5 + Full bands walkie-talkie 135-500MHz
U-018C: Full bands mobile phone 4G/3G/2G + WiFi 2.4G/5GHz + GPS L1-L5 + Walkie-Talkie UHF/VHF
Technical Specifications
Output Power: Total 42W, 1-3W per band
Jam Radius: 2-40 meters (dependent on local signal strength)
Power Supply: AC 110V or 220V to DC 12V
Cooling System: High efficiency aluminum alloy radiator with built-in 5 cooling fans
Working Time: Continuous non-stop operation
Product Size: 460 * 238 * 60 mm (excluding antennas)
Product Weight: Approximately 7.5 kg
Key Advantages
18-channel design with customizable frequency bands
High output power up to 42W with jamming range up to 40 meters
External omni-directional antennas covering all TX frequencies (downlink only)
Compatible with car storage battery charger DC12V for mobile applications
Built-in advanced cooling system for continuous operation
Individual band control - adjust or disable single bands without affecting others
Infrared remote control for power on/off operation from 2-5 meters
Detailed Technical Specifications
Model U-018A
| Channel |
Output Port |
Frequency Range |
Average Output Power |
| 1 | CDMA | 850-894MHz | 35dbm / 3W |
| 2 | GSM | 925-960MHz | 35dbm / 3W |
| 3 | DCS | 1805-1880MHz | 33dbm / 2W |
| 4 | PCS | 1900-1990MHz | 33dbm / 2W |
| 5 | 3G | 2110-2170MHz | 33dbm / 2W |
| 6 | WiFi 2.4G | 2400-2500MHz | 30dbm / 1W |
| 7 | 4G1 LTE | 700-805 or 790-826MHz | 35dbm / 3W |
| 8 | 4G LTE | 2500-2690MHz | 30dbm / 1W |
| 9 | 4G2 1700 | 1710-1780MHz | 33dbm / 2W |
| 10 | 4GH 2300 | 2300-2400MHz | 30dbm / 1W |
| 11 | 433 (car remote) | 433MHz | 35dbm / 3W |
| 12 | 315 (car remote) | 315MHz | 35dbm / 3W |
| 13 | VHF | 135-175MHz | 35dbm / 3W |
| 14 | UHF | 400-470MHz | 35dbm / 3W |
| 15 | LOJACK | 167-175MHz | 35dbm / 3W |
| 16 | GPS L1 | 1570-1580MHz | 33dbm / 2W |
| 17 | GPS L2+L5 | 1170-1280MHz | 33dbm / 2W |
| 18 | GPS L3+L4 | 1370-1390MHz | 33dbm / 2W |
Total power: 42W | Shielding radius: 2-40 meters at -75dBm | VHF/UHF shielding radius: ~10 meters
Model U-018B
| Channel |
Output Port |
Frequency Range |
Average Output Power |
| 1 | CDMA | 850-894MHz | 35dbm / 3W |
| 2 | GSM | 925-960MHz | 35dbm / 3W |
| 3 | DCS | 1805-1880MHz | 33dbm / 2W |
| 4 | PCS | 1900-1990MHz | 33dbm / 2W |
| 5 | 3G | 2110-2170MHz | 33dbm / 2W |
| 6 | WiFi 2.4G | 2400-2500MHz | 30dbm / 1W |
| 7 | 4G1 LTE | 700-805 or 790-826MHz | 30dbm / 1W |
| 8 | 4G LTE | 2500-2690MHz | 30dbm / 1W |
| 9 | 4G2 1700 | 1710-1780MHz | 33dbm / 2W |
| 10 | 4GH 2300 | 2300-2400MHz | 30dbm / 1W |
| 11 | Walkie-Talkie VHF1 | 135-200MHz | 35dbm / 3W |
| 12 | Walkie-Talkie UHF2 | 200-300MHz | 35dbm / 3W |
| 13 | UHF3+RC315 | 300-400MHz | 35dbm / 3W |
| 14 | UHF4+RC433 | 400-500MHz | 35dbm / 3W |
| 15 | LOJACK | 167-175MHz | 35dbm / 3W |
| 16 | GPS L1 | 1570-1580MHz | 33dbm / 2W |
| 17 | GPS L2+L5 | 1170-1280MHz | 33dbm / 2W |
| 18 | GPS L3+L4 | 1370-1390MHz | 33dbm / 2W |
Total power: 42W | Shielding radius: 2-40 meters at -75dBm | VHF/UHF shielding radius: ~10 meters
Model U-018C
| Channel |
Output Port |
Frequency Range |
Average Output Power |
| 1 | CDMA | 850-894MHz | 35dbm / 3W |
| 2 | GSM | 925-960MHz | 35dbm / 3W |
| 3 | DCS | 1805-1880MHz | 33dbm / 2W |
| 4 | PCS | 1900-1990MHz | 33dbm / 2W |
| 5 | 3G | 2110-2170MHz | 33dbm / 2W |
| 6 | WiFi 2.4G | 2400-2500MHz | 30dbm / 1W |
| 7 | WiFi 5.2G | 5100-5500MHz | 30dbm / 1W |
| 8 | WiFi 5.8G | 5500-5900MHz | 30dbm / 1W |
| 9 | 4G1 LTE | 700-805 or 790-826MHz | 33dbm / 2W |
| 10 | 4G LTE | 2500-2690MHz | 30dbm / 1W |
| 11 | 4G2 1700 | 1710-1780MHz | 35dbm / 3W |
| 12 | 433 (car remote) | 433MHz | 35dbm / 3W |
| 13 | 315 (car remote) | 315MHz | 35dbm / 3W |
| 14 | VHF | 135-175MHz | 35dbm / 3W |
| 15 | UHF | 400-470MHz | 35dbm / 3W |
| 16 | LOJACK | 167-175MHz | 33dbm / 2W |
| 17 | GPS L1 | 1570-1580MHz | 33dbm / 2W |
| 18 | GPS L2+L5 | 1170-1280MHz | 33dbm / 2W |
Total power: 40W | Shielding radius: 2-40 meters at -75dBm | VHF/UHF shielding radius: ~10 meters
Customization Services
We offer OEM customization services including:
Custom frequency bands (WiFi 5.8G, 3.6GHz, etc.)
Custom silkscreen and branding
Applications
Ideal for locations requiring silence, confidentiality, and information security:
Meeting rooms, conference rooms, and training centers
Museums, galleries, theatres, concert halls, and churches
Restaurants, classrooms, factories, and banks
Public transportation (trains, buses)
For sensitive locations such as hospitals and gas stations, please conduct field testing first to ensure no interference with normal equipment operation.
Package Contents
Jammer Host * 1
AC Adapter * 1
Antennas * 18
Car storage battery cable * 1
Warranty & Support
One-year warranty from delivery date with comprehensive technical support.
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