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Beltronics STi Magnum Radar Detector

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Quick Overview

The Beltronics STi Magnum radar detector is an undetectable radar detector! The STi Magnum produces zero signal leakage, meaning it cannot be detected by any current or future radar detector detectors (RDDs)! The Beltronics STi Magnum also offers the ultimate in performance, delivering range equal to or better than the popular Bel RX65. It also offers a multiple threat display, Autoscan mode, POP mode detection, text display, voice alerts, automatic brightness adjustment, and much more.
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Availability: Discontinued

This product has been discontinued and is no longer available.


New updated version of the original STi Driver with performance improvement!!

The Beltronics STi Magnum radar detector is a truly undetectable radar detector! Most radar detectors "leak" a signal that can be picked up by devices such as the VG2, Spectre, or Stalcar MK 3. Police use these devices to identify vehicles with radar detectors. The Beltronics STi Magnum is built from magnesium and doesn't "leak" any signal at all. That means that it can't be detected by any current or future "radar detector detector"!

The Beltronics STi Magnum doesn't just deliver complete undetectability. It also offers range better than or equal to the Beltronics RX65. Its dual low noise amplifier (LNA) microwave receiver provides the longest warning possible on all police radar bands, including "POP" mode.

The Beltronics STi Magnum features a Multiple Threat Display, which will let you know if multiple radar signals are detected at once, and their relative signal strength. The AutoScan feature of the STi Magnum eliminates the need to shift between city and highway modes, and virtually eliminates false alarms. The STi Magnum also includes Beltronics' Traffic Sensor Rejection (TSR) software to filter out false alerts. This model also supports the detection of "POP" mode radar.

The Beltronics STi Magnum also provides a sophisticated high definition text display and clear digital voice messages for easy recognition of alerts. Four brightness levels are supported, including auto-dim and a full dark mode. A tech display can also be enabled that will show you the exact frequency of the radar signal detected.

These are just a few of the many features of the powerful Bel STi Magnum radar detector. If you are a professional driver looking for serious performance, this is the model for you.

The Beltronics STi Magnum is designed to integrate with the Cincinnati Microwave ZR4 Laser Defense System.

The Beltronics STi Magnum is also compatible with Escort Live! for even greater protection.


We are only able to ship the STi Magnum within the United States. We cannot ship to other countries.


Bel STi Magnum Features

  • X, K, Ka, and Super Wideband Ka Detection
  • 360° Protection against all types of Laser
  • Instant-On (Pulse) Detection
  • Detects POP Mode
  • Safety Warning System (SWS™) Alert
  • TotalShield Technology - Complete "RDD" Undetectability
  • VG-2 Undetectable
  • Spectre Undetectable
  • Clear Digital Voice Alerts
  • Detailed SWS™ Alerts
  • High Definition Text Display
  • Bar Graph Signal Strength Indicator With 3 Modes
  • Multiple Threat Display
  • AutoScan™ Mode
  • TSR Filter
  • Selectable Bands
  • 2 City Modes and Highway Mode
  • Earphone Jack
  • Audio Alert Only Mode
  • Visual Alert Only Mode
  • Auto and Manual Muting
  • Auto/Bright/Medium/Minimum/Dark Display Settings
  • Auto Dim Display Setting
  • Low Voltage Warning
  • Vehicle Voltage Monitor
  • Auto Memory Retention
  • Software Upgradable
  • Tech Display
  • Fully Adjustable Audio Levels
  • Self Test
  • SmartPlug Power Cord Included
  • One Year Manufacturer Warranty

Included with the Bel STi Magnum

  • Beltronics STi Magnum Digital Radar Laser Safety Detector
  • Quick Release Windshield Bracket
  • Coiled SmartPlug Power Cord
  • Quick Reference Card
  • Owner's Manual

Bel STi Magnum Selectable Features

  • Display - Standard / Inverted
  • Power-on Indication - Full Description / Letter / Voltage
  • Alert Lamp - On / Off
  • Voice Alerts - On / Off
  • Power-on Sequence - Standard / Fast
  • Signal Strength Meter - Standard / Threat Display / Tech Display
  • Auto Mute - On / Off
  • Brightness - Auto / Maximum / Medium / Minimum / Dark
  • Bands Detected - Any individual band(s), including laser, SWS, and POP can be disabled.

Bel STi Magnum Specifications

  • Dimensions: 1.25 in. (H) x 2.75 in. (W) x 4.75 in. (L)

Additional Information

Signals Detected Instant-On (Pulse) Radar, K Band, Ka Band, Laser (front / rear), POP Mode Radar, Safety Warning System™ (SWS™) Alerts, X Band
Warranty 1 Year
RDD Immunity Complete Undetectability, Spectre Undetectable, VG-2 Undetectable
Display Type Text
Filtering Automatic Filter Mode, Multiple City Modes, Selectable Bands, Traffic Sensor Rejection (TSR) Filter
Mounting Style Windshield
Audio Options Audio Jack, Voice Alerts
  1. Now with band segmentation and RDR toggle review by Speedy Gonzalez on 8/19/2015

    Every bit as good as Redline Now with band segmentation and RDR toggle, better display and controls front and center

  2. Works well review by Rick on 10/11/2013

    I should have bought the Escort Redline for the adjustment of the KA band. Shipped a 10 month old unit. I would have returned it for exchange but Buy Radar Detector doesn't allow that.

  3. Great so far! review by roadtester on 12/14/2011

    Havent had a chance to take it on a road trip yet. It seems to perform as well as the redline when I tested it against signs and around driving around town. I think ittl be excellent when connected to escort live!

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