Radtel RT-400 Walkie Talkie 6W Compact Two Way Radio with Bluetooth Programming, Air band RX,Spectrum, Flashlight

Product Description

Radtel BT‑400 two‑way radio delivers powerful performance with rich customizable menu settings, supporting multi‑mode communication, Bluetooth function, voice‑activated transmission, repeater access and emergency alarm, ideal for commercial, construction, outdoor adventure, team communication and daily use.

Frequency Range: 

PTT+4 and power on: 144-148/420-450Mhz TX/RX (USA Verson)

PTT+5 and power on: 144-146/430-440Mhz TX/RX (European Version)

PTT+8 and power on: 136-174/350-390/400-470/220-235Mhz TX/RX

                                    65-108Mhz FM RX

                                    108-136Mhz AM RX

Core Features

✅ Rich Programmable Menu Options Comprehensive menu settings including squelch level, CTCSS/DCS encode & decode, transmit power adjustment (High / Middle / Low), channel bandwidth selection (Wide / Narrow). Supports AM/FM receiving modulation mode to match different communication environments.

✅ VOX Hands‑free Transmission Voice‑operated hands‑free transmit function with 9‑level sensitivity adjustable. Built‑in VOX delay setting (0.5‑2.0SEC), no need to press PTT button for convenient hands‑free operation when working with gloves or busy hands.

✅ Encryption & Scrambler Built‑in Scrambler voice encryption (Encryption 1 / Encryption 2), prevent eavesdropping for private conversation. Independent noise reduction function optimizes audio quality and filters background ambient noise.

✅ Repeater Compatible Support frequency offset setting & offset direction (plus/minus offset). Repeater squelch tail elimination and repeater tail delay adjustable (0.1‑1.0S). Effectively eliminate tail noise when releasing PTT, perfect for working with repeaters to extend communication range.

✅ Time‑out Timer & Battery Saver TOT Time‑out Timer adjustable from 30S‑480S in 30‑second steps, prevents long‑time continuous transmission. Multiple battery saver modes (Normal / Super / Deep) to prolong working hours.

✅ Dual‑band Dual‑standby TDR dual watch / dual standby function, monitor two channels simultaneously. Customizable transmit band selection (Band A / Band B), support cross‑band receive & transmit. Display mode switchable among Frequency / Channel No. / Channel Name for Band A & Band B.

✅ Customizable Side Keys & Keypad Settings Side keys PF2/PF3 short‑press & long‑press fully user‑definable. Auto keypad lock, keypad beep tone, voice prompt (Chinese / English language optional) for personalized operation experience.

✅ DTMF & ANI ID Function Support DTMF code, ANI PTT‑ID transmission, multiple DTMF sending trigger modes. DTMF sidetone setting available for team ID identification.

✅ Emergency Alarm Mode 3 alarm modes: On‑site voice alarm, sound alarm, code alarm for emergency situation warning.

✅ Bluetooth Function Built‑in Bluetooth for  App programming.

✅ Scan Function Support channel scan, CTCSS tone scan, DCS code scan. You can save scanned tone/code to ALL / RX / TX. Customizable scan resume mode: Time‑operated scan / Carrier scan. Add channels into scan list manually.

✅ Other Practical Functions Roger beep, busy channel lockout, auto backlight timer, power‑on display option (LOGO / Voltage), editable device name, menu auto‑exit timer. Support factory reset (VFO reset / Full reset), check firmware & hardware version.

✅ 256‑Channel Capacity Store up to 256 programmable memory channels. Freely save frequently‑used frequencies, CTCSS/DCS tones and repeater offset settings. Quickly switch between stored channels for efficient team communications, ideal for commercial work, outdoor activities and group operations.

✅ Built‑in Flashlight Function Integrated handy LED flashlight for low‑light and emergency scenarios. Provides auxiliary lighting during night operations, field work or power‑out situations for added convenience and safety.

✅ Spectrum Analyzer Function Equipped with spectrum function to scan and display surrounding radio frequency activities. Helps you detect active signals, identify occupied frequency points and locate available clear channels, making frequency selection much easier.

✅ 222 MHz (1.25 m Band) Activation Power on the radio while holding down PTT + 8 key to enable the 222 MHz (1.25 m) frequency band. Unlock additional frequency range for expanded receiving and transmitting capability.