eInstruction in the UK


PRS-RF radio-based handset




Transmitter ID

Each transmitter has a unique ID that can be assigned to individual students, or it can be used in a registration ID mode where students

Each student’s response can be tied directly to him or her.

Low Cost and No Recurring

Transmitters are owned by the student or purchasing institution.

There are no online or registration fees assessed to activate the transmitter.

Saves significant money over multiple semesters and for students using the transmitters in multiple classes.


Transmitters have 0-9, -, T, F, A-E, Decimal Point

Teachers can ask both multiple-choice questions that have up to 10 options and numeric valued questions as well as simple fully alphanumeric responses and floating point values.

LCD Display

A two line alpahumeric LCD display.

Allows the user to see exactly
what they are to do at any time, and to see their response
before they confirm sending.

Question Types

Multiple Choice (including multiple correct), True/False, Answer Series, Numeric (including positive/negative, decimal point and fractions), Short Answer

The transmitter is an evolution in flexibility for educational interaction, allowing not only the 0-9 responses (and confidence) but now floating point and alphanumeric responses.

High & Low

Two programmable keys allow students to indicate high and low confidence levels with their responses.

Teachers can not only gauge if the students’ answers are correct or incorrect, but how confident they were in answering the question.

Question Modes

Live Polling, Self-Paced, Homework (offline)

As well as use live in the classroom, teachers can prepare question sets to send to the transmitters to be answers by students “out of class” and the software will quickly gather the results in the next session.


Receivers use radio technology similar to WiFi on the 2.4Ghz band. Up to 2047 clickers are supported per hub (receiver), and up to 4 hubs are

The transmitters operate at a range of up to 150 feet from the receivers (in free space).

Radio allows operation even when ling of sight is not available, and the system has automatic mechanisms to reduce likelihood of interference with other radio frequency equipment or other systems in adjacent rooms.


The transmitter uses 3 x AAA batteries, which last 20 weeks (based on typical usage).

Readily available batteries with a long life.

with Standard

The hub receivers connect using USB and are easy to install on computers. The receivers are quite small and light.

Easy to install. Easy to transport when needed, and compatible with most modern computers.