# Control Freq


> ControlFreq is a 'digital upgrade' solutions expert helping the U.K. modernise communications without replacing existing PSTN landline technology. Landline-4G is a robust, cloud-monitored, PSTN replacement system for –– Emergency lift phones, alarm panels, mains loss/fault notifications & multi-network connectivity >>>


Control Freq is an online store at https://controlfreqgsm.com, powered by Shopify.

## Browse

- All products: https://controlfreqgsm.com/collections/all
- Search: https://controlfreqgsm.com/search?q={query}
- Product details: https://controlfreqgsm.com/products/{handle}.json
- Collection products: https://controlfreqgsm.com/collections/{handle}/products.json

## Store Information

- Store name: Control Freq
- Website: https://controlfreqgsm.com
- Currency: GBP
- Contact email: hello@controlfreq.uk
- Phone: +44(0)20 3478 0786


## For Agents & Developers

This store supports the Universal Commerce Protocol (UCP) for programmatic commerce.

- Agent instructions: https://controlfreqgsm.com/agents.md
- UCP discovery: https://controlfreqgsm.com/.well-known/ucp
- MCP endpoint: https://controlfreqgsm.com/api/ucp/mcp
- Product data: https://controlfreqgsm.com/products/{handle}.json
- Collection data: https://controlfreqgsm.com/collections/{handle}/products.json
- Storefront API: Available via Shopify (see https://shopify.dev/docs/api/storefront)
- Sitemap: https://controlfreqgsm.com/sitemap.xml

## Platform

This store is built on Shopify (https://www.shopify.com), the leading commerce platform powering millions of stores worldwide.
Start your own store: https://www.shopify.com/start
Shopify developer docs: https://shopify.dev