To calculate ERP, Take the transmitter power output, subtract the losses from the duplexers, subtract any measurable feedline loss and add the antenna gain. Example: (2 dBd combined duplexer and feedline loss) + (5 dBd antenna gain)= 3 dBd gain.

Pay a flat fee of $5 each day to drive through operating ERP gantries, if you do not wish to install or rent an IU. This fee will be deducted from your Autopass card when you depart Singapore.

There continue to be no ERP charges on other expressways and arterial roads. 7. LTA will continue to monitor traffic speeds and congestion levels closely and assess if ERP rates need to be further adjusted as safe management measures continue to evolve.

ERP is only operational from Mondays to Saturdays, excluding public holidays. ERP rates are reviewed every quarter and adjusted during the June and December school holiday period, based on the traffic conditions at the time.

ERP operating hours are only from Mondays to Saturdays. And start as early as 8am until as late as 8pm.

To check your SAP ERP system version choose System | Status… from the top menu:

1. In System: Status window click on Check Version button:
2. There are two component that you should check the first one is SAP_BASIS:
3. The second one is SAP_APPL:

If you do not have enough money in your stored-value card, you will incur an ERP violation and will have to pay a fine.

The charge for passing through a gantry depends on the location and time, the peak hour being the most expensive. Examples include a trip from Woodlands to Raffles Place via Yishun – CTE – CBD will cost about S$15 during peak as the driver will pass about 5 gantries, whereas during lunchtime, it will cost about S$2.

Thankfully, since Circuit Breaker started on 6 April 2020, the Land Transport Authority (LTA) has suspended ERP charges in conjunction with reduced traffic. At the time of writing, four ERP gantries have resumed operation as traffic starts to build up once again.

When a vehicle equipped with an IU passes under an ERP gantry, a road usage charge is deducted from the CashCard in the IU. Sensors installed on the gantries communicate with the IU via a dedicated short-range communication system, and the deducted amount is displayed to the driver on an LCD screen of the IU.

Research says that an average company’s overall information technology spending is typically 3–5% of their revenue. Depending on a company’s unique requirements and industry specifications this ERP investment can even get into the 17-20% range.

Calculation: E.I.R.P. = 16 dBm + 8 dBi – 3,2 dB – 1 dB = 19,8 dBm (i.e. the power level meets the requirements – less than 20 dBm).