Sealed Can Transmitters - msrp $150 High-power 7-volt signal for extended range. LED flashes when power is on for night visibility. Instantly turn collar on/off with swipe of a magnet .Waterproof - Rugged Durability 3500 hour battery life. Refurbishable.    Changeable Battery Transmitters - msrp $150 High-power 7-volt signal for extended range. LED flashes when power is on for night visibility. Instantly turn collar on/off with swipe of a magnet - no need to remove collar or tape on the magnet. Water Resistant 2000 hour battery life. User changeable battery. Feildmaster16 - msrp $645 For high telemetry-grade performance in a compact size, the Fieldmaster 16 is the solution. It has 16 channels, 10 kHz channel spacing and is engineered for exceptional sensitivity and rugged field use. Like all ATS receivers, the Fieldmaster 16 features convenient top-panel controls and connections including a built-in signal strength attenuator. It is powered by 10 field-replaceable “AA” batteries. Optional NiCad batteries and charger are available. It only weighs 2 lbs. and measures just 4" x 5.5" x 3.5" for great portability. Comes with padded case, carry strap and batteries. R410 Scanning Receiver - msrp $700 With the R410 Scanning Receiver, you can enter any frequency in a 4 Mhz range using just the front panel controls. Call up any channel desired at the touch of a button, or you may select up to 50 channels for automatic scanning, and then lock-on to a live channel at the press of a button. This is convenient for hunters with multiple hounds. Engineers have designed the R410's convenient control panel for use in the most unforgiving fienld conditions. The R410's control panel is easy to adjust and is water resistant. A backlit LCD meter gives you accurate signal depiction to help you easily locate your dog. Plus, a built-in speaker or audio jack for a headphone set offers audible verification of your progress. The R410 can operate for 18 hours on four easily changed alkaline batteries. It only weighs in at 750 grams (1.6 lbs.) and measures 10.6 cm (4.2 inches) wide x 16.6 cm (6.5 inches) long x 6.5 cm (2.5 inches) high. ATS offers a three year warranty for parts, labor and workmanship. 3 Element Folding Yagi Antenna -msrp $CALL Folds Flat for easy portability. 3-Element stlye. Custom-tuned for a user-selected 4 Mhz range between 140 Mhz and 220 Mhz. 5 foot coaxial cable and connectors included. Strike Dog Tracking Collars - msrp $125 Reflective strip on collars with a tree switch. Durable antenna. Watertight under hunting conditions. 720+ hours of battery life under continuous use (3.6V AA full height). Weighs 7.6 ounces (including collar). User replaceable single antenna. Magnetic turn on/turn off. Blinking light shows that collar is transmitting. 1/2 AA batteries can be placed in the collar to boost signal output. Intelo Dog Tracking Collars - msrp $165 Reflective strap on collars with a tree switch. Water tight under hunting conditions. 250+ hours of battery life under continuous use. Weighs 8.6 ounces including collar. Low battery indicator. Two antennas for greater range. Magnetic turn on/turn off feature. Supra Lite Dog Tracking Collar - msrp $145 Watertight under hunting conditions. 800+ hours of battery life under continuous use. Weighs 4.3 ounces including collar. Low battery indicator. Two antennas for greater range. Maxima Complete - msrp $CALL Stores up to 100 collar frequencies. Connects to yagi and omni antennas using SMA connector. Reports signal strength by both audible signal and bars on an LCD screen. Hi/lo mode for near tracking. Frequency fine tune through programming. Frequencies available: 150-151, 155 and 216-220 MHz.  Rated at 12 miles line of sight; 4-7 miles in rolling hills and 2.5 - 4 miles in mountainous areas. However there are numerous factors that can effect this range, such as: transmitter strength; ground cover; moisture and receiver antenna being used. Classic - msrp $CALL Designed for tracking one or two dogs. Simple operation. Reports signal strength by both audible beep and LED lights. Advanced tracking features at a budget price. Attenuator for near tracking. Frequency fine tune dial. Rated at 12 miles line of sight; 4-7 miles in rolling hills and 2.5 - 4 miles in mountainous areas. However there are numerous factors that can effect this range, such as: transmitter strength; ground cover; moisture and receiver antenna being used. Magnetic base to attach to the top of your vehicle. Yagi Folding Antenna - msrp $112 The antenna connects to the SMA connector on the Maxima receiver. Price includes SMA / BNC cable. SMA/BNC Cable - msrp $12 SMA/BNC Adapter - msrp $8 Power Adapter - msrp $22 SMA Metal Dust Cap w/Chain - msrp $7.50 Cordura Holster - msrp $10 Leather Holster - msrp $40 Plastic Carrying Case - msrp $10 Orange Strike Magnet - msrp $3 Black Strike Magnet - msrp $1 Srtike End Cap - msrp $5 New Style Strike Antenna - msrp $10 Intello Magnet - msrp $5 Intello End Cap - msrp $5 Spra Lite End Cap - msrp $5 Supra Lite Antenna - msrp $15