These items are needed for each typical installation.
 

Davis Instrument Company
www.davisnet.com
1(800)678-3669
(Davis equipment can also be purchased from resellers like Ben Meadows, Forestry Suppliers...)
 

7440CS weather monitor II w/RTH	$495
7862 Davis Weather Link	$165
7702 Sensor Mounting Arm	$ 65
7714 Radiation Shield	$ 65
7711 6.5 Amp. Hr., 12 volt gel cell battery	$ 30
7704 rain collector shelf	$ 35
7724 system shelter	$180
7708 solar power kit	$295
7740 Protected Junction Box	$65

Miscellaneous

(1) 8' x 2 3/8" schedule 16 fence post
(1) post cap
any fencing materials needed to protect from livestock damage
pre-mix concrete - about (2) 60 lb bags per hole
combo lock (ex Masterlock 175D)
9v battery
tie wraps, sealant, electrical tape
(2) 11/16" nylon hole plugs
10' 1/2" wire loom (to shield cables from damage, ex. (2) Radio Shack 278-1624A)
(2) rj11 connectors (optional - to shorten/neaten cabling)
(1) rj14 connector (optional - to shorten/neaten cabling)