900MHz Cordless Phones Ameriphone Clarity CL-40 Features: Powerful amplifier increases incoming sounds up to 43 dB extra loud and clear conversations. Adjustable tone control lets you customize the amplifier for optimum word clarity so you can understand similar sounding words. Has an audio jack for connection to a headset or cochlea implant. Offers 900 MHz technology for extended operating range and static-free transmissions. Automatically scans all available channels and selects the clearest one for your call. Advanced noise reduction technology filters out background noise and static for superior sound clarity. Offers three hour talk time between battery charges. Base-to-handset paging allows you to quickly locate the handset. Large and lighted keypad makes dialing easy. Has programmable 10 speed-dial memory. Handset is hearing aid T-coil compatible. Digital security system prevents eavesdropping from other cordless phones. Has an extra loud ringer. Desk or wall mounting. CL40 has Flash and Redial Replaced by Clarity C4205