|Adept Instruments - Tracking and RDF Transmitters|
The T400 transmitter pictured above is a general purpose Tracking Transmitter. It
was originally developed as a model
rocket tracking transmitter and available in two forms (modes), AM and CW.
They were sold under the business
name Adept Rocketry, and hundreds of them are now in service. Adept always required proof
of the buyer's Amateur Radio license, and for this reason we were responsible for many new
Hams getting their licenses. If you are a Ham and are interested in hobby or amateur
rocketry, then please check out our other website. www.adeptrocketry.com
The "M" in the model designation T400-M-LB is for
"Module." The transmitter circuitry is sealed in a solid block module that is
water proof. The "LB" is for "Lighter Battery." In the image below,
Model T400-S-LB, the "S" is for "Sleeve." The circuitry is protected in
a sleeve of shrink tubing. It is water protected, but not necessarily water proof.
The "M" in the model designation T400-M-LB is for "Module." The transmitter circuitry is sealed in a solid block module that is water proof. The "LB" is for "Lighter Battery." In the image below, Model T400-S-LB, the "S" is for "Sleeve." The circuitry is protected in a sleeve of shrink tubing. It is water protected, but not necessarily water proof.
|T400-M-LB, AM or CW Transmitter
- Price: $49.00
T400-S-LB, AM or CW Transmitter - Price: $44.00
|Adept T400 Transmitters will be pre-programmed with the operating mode, AM (default) or CW, and with the customer's Amateur Radio call sign. When operating, the transmitter will periodically identify by sending the call sign in Morse Code. Most of the T400 Transmitters are programmable and can be reprogrammed.|
|Besides your receiver of choice, suggested receiving accessories for tracking the T400 Transmitters are:|
|ANT440-3 - three-element directional
receiving antenna - $49.00
ANT440-7BP - seven-element directional receiving antenna - $85.00
CABBNC3 - accessory cable connects antenna to receiver, 3 feet long - $6.95
SMABNC - accessory adapter connector for some receivers - $4.95
Attenuators - Often necessary for tracking
Additional GP-23A Lighter Battery for Transmitter
|MORE INFO and CART|
|You may be able to supply your own BNC to BNC cable, and possibly an
appropriate antenna. The SMA to BNC adapter connector is necessary for use with most
hand-held Receivers and Handy Talkies.
The Adept transmitters transmit on 433.92 MHz, and because of the power level and modes, and because the signals are of the repeating type, they do not fall under the Part 15 rules of the Federal Communications Commission, FCC. Most of our tracking transmitters have a power output of 8 mW. Some of the smaller ones have one milliwatt output. A license is still required. The transmit frequency falls within the 440 MHz Amateur Radio (ham) band. An Amateur Radio License is required.
When ordering a T400 transmitter, Adept requires proof of your Amateur Radio License with the order. Your call sign is sufficient. When operating, the transmitter will periodically identify by sending the call sign in Morse code.
The T400 transmitters have been tested at a distance of 15 miles line-of-sight, and the signals were still receivable and very useable. A range beyond 50 miles is common when used at high altitudes. This has been tested on high altitude balloon flights.
|T400-CR1025 Programmable Transmitters AM or CW Price: $29.00|
|The T400-CR1025-A is our smallest and lowest cost
programmable transmitter. It is shown here at actual size when viewed at 96 pixels per inch.
It uses a single 3 volt CR1025 Micro Lithium Battery.
This light weight transmitter is ideal as an additional backup for tracking and finding an otherwise lost balloon, drone, etc. when all else has failed. It also serves very well as the fox during an on-foot fox hunt.
|The T400-CR1025-B (at the same price) is a little heavier and larger. It has a different battery holder that is more sturdy than the one used with the T400-CR1025-A. If you do not prefer the slightly smaller and less weight version, then we recommend that you order the T400-CR1025-B|
|Note: This web site and this page are still a work in progress. They are being updated frequently. Additional versions of the T400 Transmitter will be included shortly. Please visit this website and this page often.|
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