JAX-121A-12B Portable Signal Jammer
What to confirm before ordering
JAX-121A-12B portable signal jammer. Total 8.4W,0.7W each band(add antennas gain more than 12Watt). 1:JAX-121A-12B:Full Bands Mobile Phone 4G/3G/2G +WiFi2.4G+ GPSL1 L2 L5 +LOJACK+RC433 315 868
Product overview
JAX-121A-12B portable signal jammer. Total 8.4W,0.7W each band(add antennas gain more than 12Watt). 1:JAX-121A-12B:Full Bands Mobile Phone 4G/3G/2G +WiFi2.4G+ GPSL1 L2 L5 +LOJACK+RC433 315 868
Specifications
| Model | JAX-121A-12B |
|---|---|
| Jam Signal Type | 1:JAX-121A-12B:Full Bands Mobile Phone 4G/3G/2G +WiFi2.4G+ GPSL1 L2 L5 +LOJACK+RC433 315 868 |
| Output Power | Total 8.4W,0.7W each band(add antennas gain more than 12Watt) |
| Jam Radius | 2-20meters |
| Power Supply | AC110-240V to DC12V |
| Cooling System | High efficiency aluminum alloy radiator, Build-in 2x cooling fan |
| Working Time | Built-in battery:7.4V/10000mAh Continue working: more than 2.0+ hours |
| Product Size | 165x 93x 46 mm(not Include Antenna)Length of antenna :166mm Gain:2.0dbi |
| Product Weight | appr.2.0kg |
| Package Contents | Jammer Host x 1, AC Charger x1,antenna x12,Car Charger x1 |
Frequency configuration
| Channel | Output port | Frequency range | Average out-putting power |
|---|---|---|---|
| 1 | 4GLTE 700 | 700-803 or 790-862MHz | 28.5dBm/0.7W |
| 2 | CDMA or RC868 | 851-894 or 868MHz | 28.5dBm/0.7W |
| 3 | GPSL1 | 1570-1610MHz | 28.5dBm/0.7W |
| 4 | GPSL2L5 or PCS | 1170-1280 or 1920-1990MHz | 28.5dBm/0.7W |
| 5 | 3G | 2110-2170MHz | 28.5dBm/0.7W |
| 6 | 4G2600 or 2300 | 2500-2690 or 2300-2400MHz | 28.5dBm/0.7W |
| 7 | LOJACK or VHF | 167-175 or 135-175MHz | 28.5dBm/0.7W |
| 8 | RC315 | 315MHz | 28.5dBm/0.7W |
| 9 | RC433 or UHF | 433 or 400-470MHz | 28.5dBm/0.7W |
| 10 | GSM | 925-960MHz | 28.5dBm/0.7W |
| 11 | DCS or PCS | 1805-1880 or 1920-1990MHz | 28.5dBm/0.7W |
| 12 | Wi-Fi 2.4G | 2400-2500MHz | 28.5dBm/0.7W |
Coverage and operating time depend on the configuration, battery condition and local signal environment. Please confirm the required frequency configuration and supplied accessories with our team.
JAX-121A-12B questions
What distinguishes JAX-121A-12B?
Twelve-band, 8.4 W portable model listing GPS L1/L2/L5, Wi-Fi 2.4 GHz and remote-control bands, with a 10000 mAh battery.
What should be confirmed before ordering?
Confirm the required frequency configuration, power supply, supplied accessories and current order terms with the sales team. Coverage and battery runtime depend on the configuration and operating conditions.
Compare related models
Portable Signal Jammer Comparison · All new models and comparisons
- 121A-16 — 16-band, 16 W portable model with A/B/C frequency configurations and a 12000 mAh battery.
- 121A-24 — 24-band, 24 W portable model with a 12000 mAh battery and a listed runtime of about 100 minutes.
- JAX-121A-10A — Ten-band, 7 W portable model listing Wi-Fi 2.4/5.8 GHz, GPS L1, LoJack and cellular bands, with an 8000 mAh battery.
- JAX-121A-10B — Ten-band, 7 W portable model with an 8000 mAh battery. Its additional GPS band labels require confirmation against the channel table.
Product information reviewed 23 October 2026. Please confirm the final frequency configuration, supplied accessories and current order terms with Shenzhen Keenpower Electronic Limited.