QuestionsQuestions (NTC MEMORANDUM CIRCULAR NO. 1-1-98)
It is issued pursuant to Republic Act No. 7925, Act No. 3846 as amended, Executive Order No. 546, and other applicable laws.
SRRS is a private radio communication system in the Land Mobile Service limited to portable transceivers for short range communications.
SRRS Special Permit is an authority issued by NTC for possession and operation of a station under SRRS. Type Acceptance is NTC certification that equipment complies with SRRS Technical Standards based on an acceptable prior type approval certificate and test reports, without requiring laboratory testing by NTC. Type Approval is NTC certification requiring laboratory testing to comply with the Technical Standards and Specifications.
SRRS uses 325.0000 - 325.4875 MHz with a 12.5 kHz channeling plan.
The frequencies are shared on a non-interference basis; users must operate in a manner that does not cause interference to other users operating in the same allocated channels.
The use of linear amplifier/booster and external antenna for SRRS is strictly prohibited.
They must have a fixed and non-extendible frequency range, be portable type with limited maximum transmitted output power not exceeding 3 watts.
FM only (11KOF3E) utilizing voice emission.
Conducted spurious emissions in receiver mode must be 20 nW or less.
Attenuation (dB) = 43 + 10 log P, where P is the rated carrier power in watts.
Frequency error must not exceed ±3 ppm under both standard and extreme test conditions.
The equipment must have Continuous Tone Code Sub-audible Squelch (CTCSS-EIA 220 B) capability with a minimum of 10 distinct tones from the list in Annex A.
A manual or automatic means to monitor a channel prior to use or a means to prevent transmissions on occupied channels must be fitted.
BNC, type N, and PL/SO series antenna fittings are not allowed.
Type Acceptance requires a fully accomplished application form plus type acceptance fee and, among others, a certified copy of acceptable administration’s type approval certificate and certified test results (no NTC laboratory testing implied). Type Approval requires a fully accomplished application form plus type approval fee and a model/prototype with test accessories plus extensive technical documents and photographs (and requires laboratory testing).
A permit to import and a corresponding special permit number for each unit shall be granted only to NTC authorized radio dealers, in accordance with the circular.
They must submit to NTC a regular sales and stock report for SRRS including the serial number and corresponding special permit number per unit of all imported and/or locally manufactured SRRS radio equipment.
They shall be dealt with in accordance with existing Radio Laws and Regulations, specifically if they purchase, possess, and/or operate without an SRRS special permit or sell SRRS units without being an NTC accredited radio dealer and fail to submit the regular sales/stock report.