# Tecom 27bit

Everything you need to understand Tecom 27bit

## Card format Overview

A proprietary 27-bit card format used in access control systems, featuring a unique structure composed of 11-bit site code and 16-bit card number, allowing for easy management and avoiding card number duplication for secure, contactless access.

## Tecom 27bit format properties

### Site Code

11 bits. The facility code range is 0 to 2,047.

### Card Number

16 bits. A unique serial number (0-65,535) for each card within that facility code.

### Generate examples

Put in the values for this card format, we'll generate the results in a few different formats.

### Site Code

### Card Number

Get examples

#### Here's your example

| Format  | Value               |
| ------- | ------------------- |
| Hex     | 9132<br>Copy        |
| Decimal | 37170<br>Copy       |
| Binary  | 000000000001001000100110010<br>Copy |

## The API that turns phones into key fobs.

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