Technical User Manual JDIR-37-87 / 40-90 Band Selective Industrial Repeater JDTECK INC.
Abbreviations…………………………………………..………………………………..2 Safety……………………………………………………………………….……………….2 1. Preface………………………………………………………………………………... 3 2. Introduction / Features & Functions……………………………………..5 3. Installation…………………………………………………………………………….7 3.1 Installation Procedure………………………………………...………………8 3.1 Installation Procedure – Cont….…………………………………………9 User Warnings – MUST READ! 1. This repeater must ONLY be used for the purpose it was intended for.
1. Preface Personal mobile communication is now part of daily life and persons have come to expect a robust network that meets their increased demand for an always-on network that provides seamless coverage and unlimited bandwidth at high speeds. Cellular repeaters are an integral part of achieving this goal. A cellular tower in a non-metro environment typically supports a large capacity of users but is affected by a relatively small coverage footprint.
2. Introduction This full duplex mobile communications repeater from JDTECK is the perfect solution for providing a wireless improvement in the cellular reception of a large office or apartment building, hotel, underground parking garage or remote outdoor location. It is designed to improve the call quality of an area by receiving, amplifying, filtering and re-transmitting the signals from the base station into a specified area via a distributed antenna system (DAS) or distributed antenna grid.
3. Installation 1. The repeater’s main function is to improve weak RF signals to an area. 2. Selecting the appropriate accessories that are compatible with the frequency of the repeater is very important for optimal system performance. A 700MHz Repeater needs to be used with accessories that supports the 700MHz band. In the same way, choosing accessories in the 1900MHz Band needs to go with a 1900MHz Repeater etc.
3.1 Installation Procedure – Cont. 9 Check the contents supplied against your packing list & DAS design. Identify a suitable location where the donor antenna will be installed on the roof or at an elevated location free of any other antennas or immediate obstructions. Confirm this location has the best input signal for the carriers you would like to support using test equipment. Ensure the location is properly isolated from any of the indoor service antennas so as to avoid signal oscillation.
3.3 Installation Procedure – Repeater Mounting. 3.4 Installation Procedure – Repeater Mounting Cont. The JDIR series repeater can be mounted on a wall or pole. First remove bracket from repeater and securely bolt bracket to the wall. Be sure to use a level so the bracket is straight when completed. For the pole mount option, remove the bolts for the 2 lateral cross bars and turn them 90 degrees so the notches face to the rear. Then reattach the bars using the same bolts.
4. Manual Gain Adjustment ~ UL / DL 4.1 Manual Gain Adjustment ~ UL / DL – Con’t. In order to meet and maintain safe environmental conditions for seamless network integration, this repeater is equipped with a dip switch assembly that allows you to manually control the Uplink / Downlink gain individually. The UL / DL attenuator control range is from 0dB to -31dB by 1dB increments in each band. There is a dip switch bank available for each frequency.
5. Testing 6. Troubleshooting Q1. Why is there still no signal after installing the equipment? Answer: 1. Check the power on repeater and power supply. 2. Check the connector of outdoor antenna is tight or not. 3. Check the connectors of RF cable are tight or not. 4. Check the outdoor signal is strong enough or not. 5. Check to make sure the antenna is installed correctly. 6. Check the connector of indoor antenna is tight or not. 7. Check the cable type is suitable or not. Q2.
7. FCC Statement 1. 2. FCC RF Exposure Statement This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. End users must follow the specific operating instruction for satisfying RF exposure compliance. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. 8. Specifications.
Record your repeater settings here. Downlink NOTES Uplink DIP Modulation 1 LTE (Lower 700MHz) 6 LTE (Lower 700MHz) 2 LTE (Upper 700MHz) 7 LTE (Upper 700MHz) 3 CDMA 8 CDMA 4 PCS 9 PCS _________________________________________________________________________________ 5 AWS 10 AWS _________________________________________________________________________________ Total dB Attenuated Value …………...
