5W Digital Handheld

Digital Handheld VHF Transceiver

Technical Specifications

Weight282 gm
Size (L x W x H)129 x 61 x 39
Frequency Range136-174 MHz ; 400-470 MHz
Power Output7/5/2.5/1 W
Number of channels4000

Aimed at increasing efficiency and enhancing customer service, the Sanchar STC-904D series help operations run smoother with instant, quality communications. The palm size and lightweight STC-904D portable radio delivers solid two-way performance at a very competitive price.

1.77 inch color TFT screen

Channel Annunciation:

The feature enables radio to report the current channel number when power on or switching channel, offering you notable convenience.

Power on Self-Test:

The radio itself checks radio status automatically when power on, and emits alert if an error occurs (e.g. CPU error or EEPROM error), allows the user to early detect unit faults.

Battery Power Indicator:

Upon press the programmable function key, the radio sounds"1", "2" or "3” to indicate the current battery level of low, satisfactory, or high respectively.

Long battery life:

The standard 2200mAh Li-on battery, allows more than 10 hours operation.


It is one type of circuit that is used to reduce the annoyance of listening to other users on a shared two-way radio communications channel. It is sometimes referred to as tone squelch. It does this by adding a low frequency audio tone to the voice.

Switchable Power (High/ Low):

The user can choose the transmitting power mode according to his specific communication needs.  (H: 5W  M: 2.5W   L: 1W)

Low Battery Alert:

Sets a warning for a low battery level, before the situation becomes critical. Values are set to On to set the low warning and Off to ignore it. The radio blinks repeatedly.

Busy Channel Lockout (BCL):

This feature will not allow the user to transmit as long as the radio is receiving another signal.

Time-out Timer (TOT):

It is used to set the continuous emission maximum time of walkie talkies. When it is overtime, the radio will stop transmitting and prohibit re-transmitting in the period of time.

Channel Scan:

The channel scan feature enables the radio to continuously scan each channel for activity. When activity is detected on a channel the scan process will stop and you will hear the transmission.

PC Programmable:

Sanchar PC configurable radios can be connected to a computer and configured. These applications usually provide a user friendly way to adjust radio settings, or change user selectable frequencies.

Wired Clone:

Sanchar radios are capable to have their configuration easily loaded from a different radio. This makes setup a breeze when your business has quite a few radios. Cloning through the programming software helps when you have purchased lots of radios, when you are adding new radios, or when you make changes to your configuration.


Sanchar radios support the Voice Activated Transmit (VOX) feature that allows you to use your two way radio "hands-free". The radio will automatically begin transmitting when you speak into the handsfree.

Emergency Alarm:

If an operator needs to send an immediate and urgent request for help, the push of just one button can trigger a call for assistance.

Talk Around/ Reverse:

The talk around function sets the transmit and receive frequencies to the same frequency for communicating transceiver-to-transceiver.

Built-in Scrambler:

The voice scrambling feature provides enhanced security by garbling your transmissions, allowing you to have conversations that are more private and secure.

Man Down:

This feature can be useful for operators in hazardous or elevated areas. The radio’s settings can be adjusted to detect motion or inactivity, as well as the degree of angle of the radio. The Man Down feature sends a notice to the user to adjust the radio after a period of inactivity or if the radio exceeds a set angle. If the user has fallen or is unconscious, and is unable to respond to the alert, the radio transmits an emergency alert to get help. This is a useful additional feature to the Lone Worker alert.

Lone Worker:

The lone worker feature provides added security and safety for individuals who work remotely from their team. Since this function is enabled, the radio will emit an alert tone after the preset time elapses, then the user must press any key, otherwise the emergency procedure will be activated.

Embedded Message:

The radio’s memory can store messages including service and programming records, for remarkable ease of maintenance and service.

Stun/Kill & Revive:

Provides enhanced security to prevent unauthorized use of lost or rental units, by remote inhibition of either transmit or transmit/receive. A stunned radio will return to operational use after receiving the revive code.

Squelch Tail Elimination:

During transmission, the random static sound is actually the radio trying to decipher the ambient background noise into meaningful audio. The squelch tail occurs when the transmission has just ended and the radio circuitry doesn't respond quite fast enough. Squelch Tail Elimination on Sanchar radios prevents this issue.


A sophisticated digital voice compression technology that reduces the static hiss between words. This technology extends the effective range of the radio and delivers noticeably clearer transmission quality.


Weight282 gm
Size (L x W x H)129 x 61 x 39
Frequency Range136-174 MHz ; 400-470 MHz
Power Output7/5/2.5/1 W
Number of channels4000