Blackberry Torch 9800: "If you do not use a holster equipped with an integrated belt clip supplied or approved by RIM when you carry the BlackBerry device, keep the BlackBerry device at least 0.98 in. (25 mm) from your body when the BlackBerry device is transmitting."
Motorola W385: "When using any data feature of the mobile device, with or without an accessory cable, position the mobile device and its antenna at least 2.5 centimeters (1 inch) from your body."
Sanyo Katana II: "If you do not use a body-worn accessory, ensure the antenna is at least 2.2 centimeters [0.86 inch] from your body when transmitting."
Motorola Boost i290: "If you do not use a body-worn accessory supplied or approved by Motorola and are not using the radio product in the intended use positions along side the head in the phone mode or in front of the face in the two-way radio mode — or if you hang your device from a lanyard around your neck — keep the device at least 2.5 centimeters (1 inch) from your body when transmitting."
ABC News' Michael Murray contributed to this article.