Home / Devices / Tetra and 4G/5G Hand-Portable Radios / SC21

SC21 Compact TETRA Hand-Held Radio

Small and lightweight, the SC21 is a smart and rugged TETRA radio, offering outstanding power in compact form.

  • IP67
  • TETRA
  • UHF
Datasheet Brochure

Need more information on this product?

Visit the Information Centre
Home / Devices / Tetra and 4G/5G Hand-Portable Radios / SC21

Discover the SC21: Compact, powerful, and uncompromising performance in a lightweight hand-held radio

With a wide range of functionality inherited from the market-leading Sepura SC20 hand portable—yet 25% smaller— the SC21 handheld offers all the benefits of a compact radio without compromising performance.

A powerful TETRA engine, coupled with an intuitive interface and rich, clear audio, allows you to maintain critical communications where other small devices underperform.

Signal icon

Outstanding coverage

Keep communicating where other small handsets fail with Class 3 RF power and exceptional receive sensitivity

Clear voice communications

Directional speakers and Water Porting® maintain clear, rich audio even in noisy and wet environments

Finger tapping on button icon

Intuitive operation

Well-spaced keys and a 2.4” display ensure ease of use even in compact form

Connectivity icon

Smart connectivity

Connect to body-worn peripheries and access data via Bluetooth and Wi-Fi

Radio talking piece icon

Common accessories

Minimise costs by reusing Sepura accessories that are compatible with all our TETRA hand portables

Download arrow with a tick icon

Applications ready

Improve efficiency and safety by processing operational data with Sepura’s TETRA apps

Technical specifications

Dimensions 60 X 122.5 X 27 mm

Weight 194 g

Battery 1160 mAh & 1880 mAh

RF Power Class 3, Class 3L, Class 4

Frequency Bands 380-430 MHz, 403-470MHz

Receiver Static Sensitivity -116 dBm

Receiver Dynamic Sensitivity -107 dBm

Speaker Audio Output 1 W

Operational Temperature (conformance tested) -20°C to +60°C

Operational Temperature -30°C to +65°C

Storage Temperature -40°C to +85°C

IP Rating IP65, IP67

Display 37 X 49 mm, TFT, QVGA 320 X 240 pixels

Secondary Data Bearer Bluetooth, WiFi

Enhanced Usability Haptics, Soft Keys, Water Porting®

GNSS GPS, Beidou, GLONASS, Galileo

SC21 Datasheet
sepura sc21 radio
sc21 sepura radio
back of sc21 sepura radio
close up of sc21 sepura radio

Need more information on this product?

Visit the Information Centre

Related accessories and apps

Mini Remote Speaker Microphone (mRSM)

  • Audio

Small, robust and lightweight, the mRSM (Mini Remote Speaker Microphone) has been specifically designed for users operating in a wide range of environments including public safety and commercial operations. The combination of ergonomic design together with positive tactile feel of the PTT and emergency button, makes the mRSM easy to use, even with gloved hands or in poor light. The mRSM boasts outstanding audio quality, Water Porting® and IP67 environmental protection, delivering loud, clear audio, even in continuous, heavy rain. Part no. 300-01979

  • IP67
  • TETRA

SC21 Klick Fast Stud

  • Carrying

Designed for the SC21 handheld, the Klick Fast stud allows quick, easy docking and locking of the radio into seven positions, compatible with Klick Fast docks. Part no. 300-01832

  • TETRA
sepura radio with search icon

RadioAsset

  • TETRA Radio App

Conduct device audits quickly and automatically, saving time and resources while improving data accuracy.

  • TETRA

6+6 Desktop Charger/Programmer

  • Power

This versatile mains-powered unit provides multiple battery charging for Sepura TETRA batteries as well as bulk programming capabilities for Sepura SC2 hand portables. The front-facing pocket is designed to accept the hand portable with either high capacity or standard capacity battery types fitted. This pocket will charge a battery attached to a transceiver. The rear pocket accepts a battery only. The transceiver LED indicates the battery status. The rear pocket will charge a battery on its own. The left hand tri-colour LED on the front of the charger unit indicates the battery status.

  • TETRA

Sepura Battery

  • Power

Sepura offers a range of batteries available for use with Sepura hand-portable radios, each providing 7.4V output and constructed using lithium polymer (Li-Pol) cells. Each battery carries a unique electronic serial number for traceability and warranty purposes which - along with date code information - is embedded within a unique 2D barcode printed on the battery label

  • TETRA

In-Ear Tactical Headset

  • Audio

The in-ear tactical headset fits securely into the ear, providing microphone and speaker functionality in the one device, and includes a ring PTT. Worn on a neck cord which can be covered by clothing, a quick-release mechanism ensures that the cord separates should force be applied whilst fitted. The assembly is terminated with a RAC (Remote Audio Connector). Part no. 300-00746

  • TETRA
View All Accessories View All Apps

Compare with similar solutions

Select from the products below to compare with the SC21
sepura sc20 device

SC20

  • Hand Portable

The SC20 is a resilient, intelligent, and rugged hand-portable device with extensive TETRA capabilities, offering outstanding performance in UHF and VHF frequencies.

  • IP68
  • TETRA
  • UHF
  • VHF

SC23

  • Hand Portable

The SC23 is a rugged and reliable TETRA device, offering powerful audio, a simplified user interface and the essential functionality required for mission-critical operations.

  • IP68
  • TETRA
  • UHF
  • VHF
SCL3 front of radio

SCL3

  • Hand Portable

A flexible hand portable that can be deployed as 4G/5G only or Hybrid TETRA and 4G/5G to enable the migration to Mission Critical Services (MCX).

  • 4G/5G
  • Hybrid TETRA and 4G/5G
  • IP68

Delivering worldwide

Want to learn more about Sepura's solutions? Get in touch.

Solution Finder Find a local Partner
Map of the world