Series 3800 Modules David Clark U3817 Remote Headset Station for H7042 only. List $328.00 Code: U3817 Price: $295.20 Quantity in Basket: none David Clard U3801, Remote headset Station. List $208.00 Code: U3801 Price: $187.20 Quantity in Basket: none David Clark U3800 Master Station, List $658.25 Code: U3800 Price: $592.45 Suggested List: $658.25 Quantity in Basket: none David Clark U3802, Remote Headset Station Dual Output. List $303.25 Code: U3802 Price: $272.95 Suggested List: $303.25 Quantity in Basket: none David Clark U3803 Remote Junction Module. List $253.00 Code: U3803 Price: $227.70 Quantity in Basket: none David Clark U3805 Radio Cord Junction Module. List $286.00 Code: U3805 Price: $257.40 Quantity in Basket: none David Clark U3806 Dual Headset Intercom Station. List $301.00 Code: U3806 Price: $270.90 Quantity in Basket: none David Clark U3810 Radio Interace Module / PTT. List $357.00 Code: U3810 Price: $321.30 Quantity in Basket: none David Clark U3811 Radio Interface Module / Headset Station. List $374.00 Code: U3811 Price: $336.60 Quantity in Basket: none David Clark U3815 Radio Interface Module / Headset Station. List $440.00 Code: U3815 Price: $396.00 Quantity in Basket: none David Clark U3815ARadio Interface Module Headset Station Accepts C3023 Belt Station. List $498.00 Code: U3815A Price: $448.20 Quantity in Basket: none David Clark U3816 Dual Radio Interface Headset Station. List $718.00 Code: U3816 Price: $646.20 Quantity in Basket: none