Press Release Nokia confirms 5G as 90 percent more energy efficient Research undertaken together with Telefónica finds 5G networks up to 90 percent more energy efficient per traffic... | December 2, 2020 )+[a-z]{2,63}/i);}, failureMessage: "Value must not contain any URL's"});field5.add(Validate.Presence, {failureMessage:"This field is required"});field5.add(Validate.Length, {tooShortMessage:"Invalid length for field value", tooLongMessage: "Invalid length for field value", minimum: 4, maximum: 4});function handleFormSubmit(ele) { var submitButton = ele.querySelector('input[type=submit]'); var spinner = document.createElement('span'); spinner.setAttribute('class', 'loader'); submitButton.setAttribute('disabled', true); submitButton.style.cursor = 'wait'; submitButton.parentNode.appendChild(spinner); return true; }function resetSubmitButton(e){ var submitButtons = e.target.form.getElementsByClassName('submit-button'); for(var i=0;i